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Finding the Fourth Proportional to 534,159.40, 802,160.70 and 517,570.60

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Solution

The fourth proportional to 534,159.40, 802,160.70 and 517,570.60 is: 777,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,159.40 : 802,160.70 = 517,570.60 : x
  2. Step 2: Convert to fraction form
    534,159.40/802,160.70 = 517,570.60/x
  3. Step 3: Cross multiply
    534,159.40x = 802,160.70 × 517,570.60
  4. Step 4: Simplify right side
    534,159.40x = 415,174,794,795.42
  5. Step 5: Solve for x
    x = 415,174,794,795.42/534,159.40
  6. Step 6: Final answer
    x = 777,248.88

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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.