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Finding the Fourth Proportional to 424,553.13, 636,642.72 and 224,826.84

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Solution

The fourth proportional to 424,553.13, 636,642.72 and 224,826.84 is: 337,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,553.13 : 636,642.72 = 224,826.84 : x
  2. Step 2: Convert to fraction form
    424,553.13/636,642.72 = 224,826.84/x
  3. Step 3: Cross multiply
    424,553.13x = 636,642.72 × 224,826.84
  4. Step 4: Simplify right side
    424,553.13x = 143,134,370,946.61
  5. Step 5: Solve for x
    x = 143,134,370,946.61/424,553.13
  6. Step 6: Final answer
    x = 337,141.25

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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.