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Finding the Fourth Proportional to 225,766,279.20, 338,649,418.80 and 225,766,279.20

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Solution

The fourth proportional to 225,766,279.20, 338,649,418.80 and 225,766,279.20 is: 338,649,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,766,279.20 : 338,649,418.80 = 225,766,279.20 : x
  2. Step 2: Convert to fraction form
    225,766,279.20/338,649,418.80 = 225,766,279.20/x
  3. Step 3: Cross multiply
    225,766,279.20x = 338,649,418.80 × 225,766,279.20
  4. Step 4: Simplify right side
    225,766,279.20x = 76,455,619,235,718,528
  5. Step 5: Solve for x
    x = 76,455,619,235,718,528/225,766,279.20
  6. Step 6: Final answer
    x = 338,649,418.80

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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.