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Finding the Fourth Proportional to 534,857.90, 802,092.45 and 268,529.90

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Solution

The fourth proportional to 534,857.90, 802,092.45 and 268,529.90 is: 402,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,857.90 : 802,092.45 = 268,529.90 : x
  2. Step 2: Convert to fraction form
    534,857.90/802,092.45 = 268,529.90/x
  3. Step 3: Cross multiply
    534,857.90x = 802,092.45 × 268,529.90
  4. Step 4: Simplify right side
    534,857.90x = 215,385,805,389.26
  5. Step 5: Solve for x
    x = 215,385,805,389.26/534,857.90
  6. Step 6: Final answer
    x = 402,697.25

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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.