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Finding the Fourth Proportional to 749,229,862.55, 1,123,844,793.83 and 749,229,862.55

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Solution

The fourth proportional to 749,229,862.55, 1,123,844,793.83 and 749,229,862.55 is: 1,123,844,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,229,862.55 : 1,123,844,793.83 = 749,229,862.55 : x
  2. Step 2: Convert to fraction form
    749,229,862.55/1,123,844,793.83 = 749,229,862.55/x
  3. Step 3: Cross multiply
    749,229,862.55x = 1,123,844,793.83 × 749,229,862.55
  4. Step 4: Simplify right side
    749,229,862.55x = 842,018,080,405,037,824
  5. Step 5: Solve for x
    x = 842,018,080,405,037,824/749,229,862.55
  6. Step 6: Final answer
    x = 1,123,844,793.83

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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.