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Finding the Fourth Proportional to 451,820.25, 676,807.71 and 252,246.92

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Solution

The fourth proportional to 451,820.25, 676,807.71 and 252,246.92 is: 377,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,820.25 : 676,807.71 = 252,246.92 : x
  2. Step 2: Convert to fraction form
    451,820.25/676,807.71 = 252,246.92/x
  3. Step 3: Cross multiply
    451,820.25x = 676,807.71 × 252,246.92
  4. Step 4: Simplify right side
    451,820.25x = 170,722,660,279.75
  5. Step 5: Solve for x
    x = 170,722,660,279.75/451,820.25
  6. Step 6: Final answer
    x = 377,855.26

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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.