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Finding the Fourth Proportional to 574,358.85, 861,662.61 and 174,989.16

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Solution

The fourth proportional to 574,358.85, 861,662.61 and 174,989.16 is: 262,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,358.85 : 861,662.61 = 174,989.16 : x
  2. Step 2: Convert to fraction form
    574,358.85/861,662.61 = 174,989.16/x
  3. Step 3: Cross multiply
    574,358.85x = 861,662.61 × 174,989.16
  4. Step 4: Simplify right side
    574,358.85x = 150,781,616,327.31
  5. Step 5: Solve for x
    x = 150,781,616,327.31/574,358.85
  6. Step 6: Final answer
    x = 262,521.62

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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.