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Finding the Fourth Proportional to 322,704,061.90, 484,056,092.85 and 80,366,965.90

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Solution

The fourth proportional to 322,704,061.90, 484,056,092.85 and 80,366,965.90 is: 120,550,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,704,061.90 : 484,056,092.85 = 80,366,965.90 : x
  2. Step 2: Convert to fraction form
    322,704,061.90/484,056,092.85 = 80,366,965.90/x
  3. Step 3: Cross multiply
    322,704,061.90x = 484,056,092.85 × 80,366,965.90
  4. Step 4: Simplify right side
    322,704,061.90x = 38,902,119,507,763,192
  5. Step 5: Solve for x
    x = 38,902,119,507,763,192/322,704,061.90
  6. Step 6: Final answer
    x = 120,550,448.85

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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.