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Finding the Fourth Proportional to 571,949.92, 857,930.96 and 172,594.21

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Solution

The fourth proportional to 571,949.92, 857,930.96 and 172,594.21 is: 258,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,949.92 : 857,930.96 = 172,594.21 : x
  2. Step 2: Convert to fraction form
    571,949.92/857,930.96 = 172,594.21/x
  3. Step 3: Cross multiply
    571,949.92x = 857,930.96 × 172,594.21
  4. Step 4: Simplify right side
    571,949.92x = 148,073,916,275.74
  5. Step 5: Solve for x
    x = 148,073,916,275.74/571,949.92
  6. Step 6: Final answer
    x = 258,893.15

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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.