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Finding the Fourth Proportional to 275,349,170.80, 412,067,162.40 and 252,390,919.60

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Solution

The fourth proportional to 275,349,170.80, 412,067,162.40 and 252,390,919.60 is: 377,709,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,349,170.80 : 412,067,162.40 = 252,390,919.60 : x
  2. Step 2: Convert to fraction form
    275,349,170.80/412,067,162.40 = 252,390,919.60/x
  3. Step 3: Cross multiply
    275,349,170.80x = 412,067,162.40 × 252,390,919.60
  4. Step 4: Simplify right side
    275,349,170.80x = 104,002,010,055,098,528
  5. Step 5: Solve for x
    x = 104,002,010,055,098,528/275,349,170.80
  6. Step 6: Final answer
    x = 377,709,545.13

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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.