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Finding the Fourth Proportional to 226,676,769.60, 317,952,139.20 and 226,676,769.60

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Solution

The fourth proportional to 226,676,769.60, 317,952,139.20 and 226,676,769.60 is: 317,952,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,676,769.60 : 317,952,139.20 = 226,676,769.60 : x
  2. Step 2: Convert to fraction form
    226,676,769.60/317,952,139.20 = 226,676,769.60/x
  3. Step 3: Cross multiply
    226,676,769.60x = 317,952,139.20 × 226,676,769.60
  4. Step 4: Simplify right side
    226,676,769.60x = 72,072,363,801,265,520
  5. Step 5: Solve for x
    x = 72,072,363,801,265,520/226,676,769.60
  6. Step 6: Final answer
    x = 317,952,139.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.