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Finding the Fourth Proportional to 329,127.90, 493,691.85 and 246,183.90

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Solution

The fourth proportional to 329,127.90, 493,691.85 and 246,183.90 is: 369,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,127.90 : 493,691.85 = 246,183.90 : x
  2. Step 2: Convert to fraction form
    329,127.90/493,691.85 = 246,183.90/x
  3. Step 3: Cross multiply
    329,127.90x = 493,691.85 × 246,183.90
  4. Step 4: Simplify right side
    329,127.90x = 121,538,985,031.22
  5. Step 5: Solve for x
    x = 121,538,985,031.22/329,127.90
  6. Step 6: Final answer
    x = 369,275.85

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Similar ratio
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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.