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Finding the Fourth Proportional to 488,889,761.70, 733,334,642.55 and 374,098,505.70

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Solution

The fourth proportional to 488,889,761.70, 733,334,642.55 and 374,098,505.70 is: 561,147,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,889,761.70 : 733,334,642.55 = 374,098,505.70 : x
  2. Step 2: Convert to fraction form
    488,889,761.70/733,334,642.55 = 374,098,505.70/x
  3. Step 3: Cross multiply
    488,889,761.70x = 733,334,642.55 × 374,098,505.70
  4. Step 4: Simplify right side
    488,889,761.70x = 274,339,393,955,998,624
  5. Step 5: Solve for x
    x = 274,339,393,955,998,624/488,889,761.70
  6. Step 6: Final answer
    x = 561,147,758.55

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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.