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Finding the Fourth Proportional to 316,980,694.60, 444,377,634.20 and 316,980,694.60

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Solution

The fourth proportional to 316,980,694.60, 444,377,634.20 and 316,980,694.60 is: 444,377,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,980,694.60 : 444,377,634.20 = 316,980,694.60 : x
  2. Step 2: Convert to fraction form
    316,980,694.60/444,377,634.20 = 316,980,694.60/x
  3. Step 3: Cross multiply
    316,980,694.60x = 444,377,634.20 × 316,980,694.60
  4. Step 4: Simplify right side
    316,980,694.60x = 140,859,131,153,420,720
  5. Step 5: Solve for x
    x = 140,859,131,153,420,720/316,980,694.60
  6. Step 6: Final answer
    x = 444,377,634.20

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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.