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Finding the Fourth Proportional to 534,708.10, 802,062.15 and 531,021.70

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Solution

The fourth proportional to 534,708.10, 802,062.15 and 531,021.70 is: 796,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,708.10 : 802,062.15 = 531,021.70 : x
  2. Step 2: Convert to fraction form
    534,708.10/802,062.15 = 531,021.70/x
  3. Step 3: Cross multiply
    534,708.10x = 802,062.15 × 531,021.70
  4. Step 4: Simplify right side
    534,708.10x = 425,912,406,398.66
  5. Step 5: Solve for x
    x = 425,912,406,398.66/534,708.10
  6. Step 6: Final answer
    x = 796,532.55

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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.