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Finding the Fourth Proportional to 523,323.60, 784,985.40 and 149,346.60

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Solution

The fourth proportional to 523,323.60, 784,985.40 and 149,346.60 is: 224,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,323.60 : 784,985.40 = 149,346.60 : x
  2. Step 2: Convert to fraction form
    523,323.60/784,985.40 = 149,346.60/x
  3. Step 3: Cross multiply
    523,323.60x = 784,985.40 × 149,346.60
  4. Step 4: Simplify right side
    523,323.60x = 117,234,900,539.64
  5. Step 5: Solve for x
    x = 117,234,900,539.64/523,323.60
  6. Step 6: Final answer
    x = 224,019.90

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Similar ratio
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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.