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Finding the Fourth Proportional to 541,702.20, 812,553.30 and 275,981.70

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Solution

The fourth proportional to 541,702.20, 812,553.30 and 275,981.70 is: 413,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,702.20 : 812,553.30 = 275,981.70 : x
  2. Step 2: Convert to fraction form
    541,702.20/812,553.30 = 275,981.70/x
  3. Step 3: Cross multiply
    541,702.20x = 812,553.30 × 275,981.70
  4. Step 4: Simplify right side
    541,702.20x = 224,249,841,074.61
  5. Step 5: Solve for x
    x = 224,249,841,074.61/541,702.20
  6. Step 6: Final answer
    x = 413,972.55

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Similar ratio
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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.