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Finding the Fourth Proportional to 908,753.68, 1,363,375.94 and 277,650.28

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Solution

The fourth proportional to 908,753.68, 1,363,375.94 and 277,650.28 is: 416,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,753.68 : 1,363,375.94 = 277,650.28 : x
  2. Step 2: Convert to fraction form
    908,753.68/1,363,375.94 = 277,650.28/x
  3. Step 3: Cross multiply
    908,753.68x = 1,363,375.94 × 277,650.28
  4. Step 4: Simplify right side
    908,753.68x = 378,541,711,486.26
  5. Step 5: Solve for x
    x = 378,541,711,486.26/908,753.68
  6. Step 6: Final answer
    x = 416,550.40

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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.