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Finding the Fourth Proportional to 438,227.61, 657,334.53 and 224,872.40

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Solution

The fourth proportional to 438,227.61, 657,334.53 and 224,872.40 is: 337,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,227.61 : 657,334.53 = 224,872.40 : x
  2. Step 2: Convert to fraction form
    438,227.61/657,334.53 = 224,872.40/x
  3. Step 3: Cross multiply
    438,227.61x = 657,334.53 × 224,872.40
  4. Step 4: Simplify right side
    438,227.61x = 147,816,390,077.30
  5. Step 5: Solve for x
    x = 147,816,390,077.30/438,227.61
  6. Step 6: Final answer
    x = 337,305.06

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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.