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Finding the Fourth Proportional to 329,143.92, 493,734.30 and 92,468.13

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Solution

The fourth proportional to 329,143.92, 493,734.30 and 92,468.13 is: 138,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,143.92 : 493,734.30 = 92,468.13 : x
  2. Step 2: Convert to fraction form
    329,143.92/493,734.30 = 92,468.13/x
  3. Step 3: Cross multiply
    329,143.92x = 493,734.30 × 92,468.13
  4. Step 4: Simplify right side
    329,143.92x = 45,654,687,437.86
  5. Step 5: Solve for x
    x = 45,654,687,437.86/329,143.92
  6. Step 6: Final answer
    x = 138,707.37

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1.5x scale

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.