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Finding the Fourth Proportional to 802,788.71, 1,107,675 and 463,060.13

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Solution

The fourth proportional to 802,788.71, 1,107,675 and 463,060.13 is: 638,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,788.71 : 1,107,675 = 463,060.13 : x
  2. Step 2: Convert to fraction form
    802,788.71/1,107,675 = 463,060.13/x
  3. Step 3: Cross multiply
    802,788.71x = 1,107,675 × 463,060.13
  4. Step 4: Simplify right side
    802,788.71x = 512,920,123,959.38
  5. Step 5: Solve for x
    x = 512,920,123,959.38/802,788.71
  6. Step 6: Final answer
    x = 638,922.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.