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Finding the Fourth Proportional to 454,034.13, 680,814.52 and 169,490.62

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Solution

The fourth proportional to 454,034.13, 680,814.52 and 169,490.62 is: 254,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,034.13 : 680,814.52 = 169,490.62 : x
  2. Step 2: Convert to fraction form
    454,034.13/680,814.52 = 169,490.62/x
  3. Step 3: Cross multiply
    454,034.13x = 680,814.52 × 169,490.62
  4. Step 4: Simplify right side
    454,034.13x = 115,391,676,120.95
  5. Step 5: Solve for x
    x = 115,391,676,120.95/454,034.13
  6. Step 6: Final answer
    x = 254,147.58

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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.