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Finding the Fourth Proportional to 625,168.80, 936,370.80 and 250,999.20

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Solution

The fourth proportional to 625,168.80, 936,370.80 and 250,999.20 is: 375,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,168.80 : 936,370.80 = 250,999.20 : x
  2. Step 2: Convert to fraction form
    625,168.80/936,370.80 = 250,999.20/x
  3. Step 3: Cross multiply
    625,168.80x = 936,370.80 × 250,999.20
  4. Step 4: Simplify right side
    625,168.80x = 235,028,321,703.36
  5. Step 5: Solve for x
    x = 235,028,321,703.36/625,168.80
  6. Step 6: Final answer
    x = 375,943.78

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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.