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Finding the Fourth Proportional to 313,377,000.20, 439,181,296.60 and 313,377,000.20

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Solution

The fourth proportional to 313,377,000.20, 439,181,296.60 and 313,377,000.20 is: 439,181,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,377,000.20 : 439,181,296.60 = 313,377,000.20 : x
  2. Step 2: Convert to fraction form
    313,377,000.20/439,181,296.60 = 313,377,000.20/x
  3. Step 3: Cross multiply
    313,377,000.20x = 439,181,296.60 × 313,377,000.20
  4. Step 4: Simplify right side
    313,377,000.20x = 137,629,317,272,454,464
  5. Step 5: Solve for x
    x = 137,629,317,272,454,464/313,377,000.20
  6. Step 6: Final answer
    x = 439,181,296.60

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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.