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Finding the Fourth Proportional to 570,607.74, 856,053.75 and 171,255.84

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Solution

The fourth proportional to 570,607.74, 856,053.75 and 171,255.84 is: 256,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,607.74 : 856,053.75 = 171,255.84 : x
  2. Step 2: Convert to fraction form
    570,607.74/856,053.75 = 171,255.84/x
  3. Step 3: Cross multiply
    570,607.74x = 856,053.75 × 171,255.84
  4. Step 4: Simplify right side
    570,607.74x = 146,604,204,041.40
  5. Step 5: Solve for x
    x = 146,604,204,041.40/570,607.74
  6. Step 6: Final answer
    x = 256,926.42

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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.