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Finding the Fourth Proportional to 523,053.72, 784,580.58 and 149,067

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Solution

The fourth proportional to 523,053.72, 784,580.58 and 149,067 is: 223,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,053.72 : 784,580.58 = 149,067 : x
  2. Step 2: Convert to fraction form
    523,053.72/784,580.58 = 149,067/x
  3. Step 3: Cross multiply
    523,053.72x = 784,580.58 × 149,067
  4. Step 4: Simplify right side
    523,053.72x = 116,955,073,318.86
  5. Step 5: Solve for x
    x = 116,955,073,318.86/523,053.72
  6. Step 6: Final answer
    x = 223,600.50

Related Problems

Find fourth proportional to 261,526.86, 392,290.29 and 74,533.50
Half scale
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Double scale
Find fourth proportional to 523,054.72, 784,582.08 and 149,068
Similar ratio
Find fourth proportional to 784,580.58, 1,176,870.87 and 223,600.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.