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Finding the Fourth Proportional to 551,445.30, 827,167.95 and 501,581.70

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Solution

The fourth proportional to 551,445.30, 827,167.95 and 501,581.70 is: 752,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445.30 : 827,167.95 = 501,581.70 : x
  2. Step 2: Convert to fraction form
    551,445.30/827,167.95 = 501,581.70/x
  3. Step 3: Cross multiply
    551,445.30x = 827,167.95 × 501,581.70
  4. Step 4: Simplify right side
    551,445.30x = 414,892,306,546.52
  5. Step 5: Solve for x
    x = 414,892,306,546.52/551,445.30
  6. Step 6: Final answer
    x = 752,372.55

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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.