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Finding the Fourth Proportional to 329,095.17, 493,661.88 and 92,456.28

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Solution

The fourth proportional to 329,095.17, 493,661.88 and 92,456.28 is: 138,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,095.17 : 493,661.88 = 92,456.28 : x
  2. Step 2: Convert to fraction form
    329,095.17/493,661.88 = 92,456.28/x
  3. Step 3: Cross multiply
    329,095.17x = 493,661.88 × 92,456.28
  4. Step 4: Simplify right side
    329,095.17x = 45,642,141,002.61
  5. Step 5: Solve for x
    x = 45,642,141,002.61/329,095.17
  6. Step 6: Final answer
    x = 138,689.79

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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.