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Finding the Fourth Proportional to 486,574.29, 729,782.19 and 170,957.52

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Solution

The fourth proportional to 486,574.29, 729,782.19 and 170,957.52 is: 256,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,574.29 : 729,782.19 = 170,957.52 : x
  2. Step 2: Convert to fraction form
    486,574.29/729,782.19 = 170,957.52/x
  3. Step 3: Cross multiply
    486,574.29x = 729,782.19 × 170,957.52
  4. Step 4: Simplify right side
    486,574.29x = 124,761,753,342.57
  5. Step 5: Solve for x
    x = 124,761,753,342.57/486,574.29
  6. Step 6: Final answer
    x = 256,408.44

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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.