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Finding the Fourth Proportional to 454,081.65, 681,122.62 and 187,549.22

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Solution

The fourth proportional to 454,081.65, 681,122.62 and 187,549.22 is: 281,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,081.65 : 681,122.62 = 187,549.22 : x
  2. Step 2: Convert to fraction form
    454,081.65/681,122.62 = 187,549.22/x
  3. Step 3: Cross multiply
    454,081.65x = 681,122.62 × 187,549.22
  4. Step 4: Simplify right side
    454,081.65x = 127,744,018,042.60
  5. Step 5: Solve for x
    x = 127,744,018,042.60/454,081.65
  6. Step 6: Final answer
    x = 281,323.90

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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.