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Finding the Fourth Proportional to 487,044.92, 730,640.28 and 171,446.24

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Solution

The fourth proportional to 487,044.92, 730,640.28 and 171,446.24 is: 257,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,044.92 : 730,640.28 = 171,446.24 : x
  2. Step 2: Convert to fraction form
    487,044.92/730,640.28 = 171,446.24/x
  3. Step 3: Cross multiply
    487,044.92x = 730,640.28 × 171,446.24
  4. Step 4: Simplify right side
    487,044.92x = 125,265,525,145.35
  5. Step 5: Solve for x
    x = 125,265,525,145.35/487,044.92
  6. Step 6: Final answer
    x = 257,195.02

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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.