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Finding the Fourth Proportional to 486,155.52, 729,228.96 and 170,538.48

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Solution

The fourth proportional to 486,155.52, 729,228.96 and 170,538.48 is: 255,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,155.52 : 729,228.96 = 170,538.48 : x
  2. Step 2: Convert to fraction form
    486,155.52/729,228.96 = 170,538.48/x
  3. Step 3: Cross multiply
    486,155.52x = 729,228.96 × 170,538.48
  4. Step 4: Simplify right side
    486,155.52x = 124,361,598,410.38
  5. Step 5: Solve for x
    x = 124,361,598,410.38/486,155.52
  6. Step 6: Final answer
    x = 255,806.20

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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.