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Finding the Fourth Proportional to 663,092.10, 993,801.83 and 283,564.17

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Solution

The fourth proportional to 663,092.10, 993,801.83 and 283,564.17 is: 424,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,092.10 : 993,801.83 = 283,564.17 : x
  2. Step 2: Convert to fraction form
    663,092.10/993,801.83 = 283,564.17/x
  3. Step 3: Cross multiply
    663,092.10x = 993,801.83 × 283,564.17
  4. Step 4: Simplify right side
    663,092.10x = 281,806,589,650.61
  5. Step 5: Solve for x
    x = 281,806,589,650.61/663,092.10
  6. Step 6: Final answer
    x = 424,988.61

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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.