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Finding the Fourth Proportional to 442,034.90, 610,081.29 and 260,791.13

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Solution

The fourth proportional to 442,034.90, 610,081.29 and 260,791.13 is: 359,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,034.90 : 610,081.29 = 260,791.13 : x
  2. Step 2: Convert to fraction form
    442,034.90/610,081.29 = 260,791.13/x
  3. Step 3: Cross multiply
    442,034.90x = 610,081.29 × 260,791.13
  4. Step 4: Simplify right side
    442,034.90x = 159,103,785,960.55
  5. Step 5: Solve for x
    x = 159,103,785,960.55/442,034.90
  6. Step 6: Final answer
    x = 359,934.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.