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Finding the Fourth Proportional to 416,774.92, 625,162.35 and 192,068.87

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Solution

The fourth proportional to 416,774.92, 625,162.35 and 192,068.87 is: 288,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,774.92 : 625,162.35 = 192,068.87 : x
  2. Step 2: Convert to fraction form
    416,774.92/625,162.35 = 192,068.87/x
  3. Step 3: Cross multiply
    416,774.92x = 625,162.35 × 192,068.87
  4. Step 4: Simplify right side
    416,774.92x = 120,074,226,131.05
  5. Step 5: Solve for x
    x = 120,074,226,131.05/416,774.92
  6. Step 6: Final answer
    x = 288,103.29

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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.