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Finding the Fourth Proportional to 252,659,265.30, 378,988,897.95 and 252,659,265.30

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Solution

The fourth proportional to 252,659,265.30, 378,988,897.95 and 252,659,265.30 is: 378,988,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,659,265.30 : 378,988,897.95 = 252,659,265.30 : x
  2. Step 2: Convert to fraction form
    252,659,265.30/378,988,897.95 = 252,659,265.30/x
  3. Step 3: Cross multiply
    252,659,265.30x = 378,988,897.95 × 252,659,265.30
  4. Step 4: Simplify right side
    252,659,265.30x = 95,755,056,512,903,680
  5. Step 5: Solve for x
    x = 95,755,056,512,903,680/252,659,265.30
  6. Step 6: Final answer
    x = 378,988,897.95

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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.