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Finding the Fourth Proportional to 266,688.60, 400,032.90 and 237,658.20

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Solution

The fourth proportional to 266,688.60, 400,032.90 and 237,658.20 is: 356,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,688.60 : 400,032.90 = 237,658.20 : x
  2. Step 2: Convert to fraction form
    266,688.60/400,032.90 = 237,658.20/x
  3. Step 3: Cross multiply
    266,688.60x = 400,032.90 × 237,658.20
  4. Step 4: Simplify right side
    266,688.60x = 95,071,098,954.78
  5. Step 5: Solve for x
    x = 95,071,098,954.78/266,688.60
  6. Step 6: Final answer
    x = 356,487.30

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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.