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Finding the Fourth Proportional to 627,073,297.92, 865,416,244.68 and 344,865,422.40

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Solution

The fourth proportional to 627,073,297.92, 865,416,244.68 and 344,865,422.40 is: 475,944,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,073,297.92 : 865,416,244.68 = 344,865,422.40 : x
  2. Step 2: Convert to fraction form
    627,073,297.92/865,416,244.68 = 344,865,422.40/x
  3. Step 3: Cross multiply
    627,073,297.92x = 865,416,244.68 × 344,865,422.40
  4. Step 4: Simplify right side
    627,073,297.92x = 298,452,138,773,389,888
  5. Step 5: Solve for x
    x = 298,452,138,773,389,888/627,073,297.92
  6. Step 6: Final answer
    x = 475,944,582.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.