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Finding the Fourth Proportional to 329,335.92, 494,665.20 and 196,475.76

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Solution

The fourth proportional to 329,335.92, 494,665.20 and 196,475.76 is: 295,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,335.92 : 494,665.20 = 196,475.76 : x
  2. Step 2: Convert to fraction form
    329,335.92/494,665.20 = 196,475.76/x
  3. Step 3: Cross multiply
    329,335.92x = 494,665.20 × 196,475.76
  4. Step 4: Simplify right side
    329,335.92x = 97,189,721,115.55
  5. Step 5: Solve for x
    x = 97,189,721,115.55/329,335.92
  6. Step 6: Final answer
    x = 295,108.17

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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.