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Finding the Fourth Proportional to 417,354.76, 625,959.42 and 192,696.04

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Solution

The fourth proportional to 417,354.76, 625,959.42 and 192,696.04 is: 289,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,354.76 : 625,959.42 = 192,696.04 : x
  2. Step 2: Convert to fraction form
    417,354.76/625,959.42 = 192,696.04/x
  3. Step 3: Cross multiply
    417,354.76x = 625,959.42 × 192,696.04
  4. Step 4: Simplify right side
    417,354.76x = 120,619,901,434.70
  5. Step 5: Solve for x
    x = 120,619,901,434.70/417,354.76
  6. Step 6: Final answer
    x = 289,010.48

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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.