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Finding the Fourth Proportional to 266,693.60, 400,040.40 and 237,663.20

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Solution

The fourth proportional to 266,693.60, 400,040.40 and 237,663.20 is: 356,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,693.60 : 400,040.40 = 237,663.20 : x
  2. Step 2: Convert to fraction form
    266,693.60/400,040.40 = 237,663.20/x
  3. Step 3: Cross multiply
    266,693.60x = 400,040.40 × 237,663.20
  4. Step 4: Simplify right side
    266,693.60x = 95,074,881,593.28
  5. Step 5: Solve for x
    x = 95,074,881,593.28/266,693.60
  6. Step 6: Final answer
    x = 356,494.80

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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.