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Finding the Fourth Proportional to 574,296.46, 861,498.92 and 169,490.20

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Solution

The fourth proportional to 574,296.46, 861,498.92 and 169,490.20 is: 254,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,296.46 : 861,498.92 = 169,490.20 : x
  2. Step 2: Convert to fraction form
    574,296.46/861,498.92 = 169,490.20/x
  3. Step 3: Cross multiply
    574,296.46x = 861,498.92 × 169,490.20
  4. Step 4: Simplify right side
    574,296.46x = 146,015,624,250.58
  5. Step 5: Solve for x
    x = 146,015,624,250.58/574,296.46
  6. Step 6: Final answer
    x = 254,251.30

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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.