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Finding the Fourth Proportional to 225,504,020.85, 338,256,031.28 and 225,504,020.85

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Solution

The fourth proportional to 225,504,020.85, 338,256,031.28 and 225,504,020.85 is: 338,256,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,504,020.85 : 338,256,031.28 = 225,504,020.85 : x
  2. Step 2: Convert to fraction form
    225,504,020.85/338,256,031.28 = 225,504,020.85/x
  3. Step 3: Cross multiply
    225,504,020.85x = 338,256,031.28 × 225,504,020.85
  4. Step 4: Simplify right side
    225,504,020.85x = 76,278,095,129,275,840
  5. Step 5: Solve for x
    x = 76,278,095,129,275,840/225,504,020.85
  6. Step 6: Final answer
    x = 338,256,031.28

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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.