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Finding the Fourth Proportional to 482,680.46, 663,737.00 and 418,907.54

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Solution

The fourth proportional to 482,680.46, 663,737.00 and 418,907.54 is: 576,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,680.46 : 663,737.00 = 418,907.54 : x
  2. Step 2: Convert to fraction form
    482,680.46/663,737.00 = 418,907.54/x
  3. Step 3: Cross multiply
    482,680.46x = 663,737.00 × 418,907.54
  4. Step 4: Simplify right side
    482,680.46x = 278,044,428,463.76
  5. Step 5: Solve for x
    x = 278,044,428,463.76/482,680.46
  6. Step 6: Final answer
    x = 576,042.44

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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.