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Finding the Fourth Proportional to 329,034.92, 493,755.42 and 129,320.24

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Solution

The fourth proportional to 329,034.92, 493,755.42 and 129,320.24 is: 194,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,034.92 : 493,755.42 = 129,320.24 : x
  2. Step 2: Convert to fraction form
    329,034.92/493,755.42 = 129,320.24/x
  3. Step 3: Cross multiply
    329,034.92x = 493,755.42 × 129,320.24
  4. Step 4: Simplify right side
    329,034.92x = 63,852,569,415.70
  5. Step 5: Solve for x
    x = 63,852,569,415.70/329,034.92
  6. Step 6: Final answer
    x = 194,060.16

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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.