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Finding the Fourth Proportional to 488,754,705.90, 733,982,364.45 and 259,172,193.90

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Solution

The fourth proportional to 488,754,705.90, 733,982,364.45 and 259,172,193.90 is: 389,209,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,754,705.90 : 733,982,364.45 = 259,172,193.90 : x
  2. Step 2: Convert to fraction form
    488,754,705.90/733,982,364.45 = 259,172,193.90/x
  3. Step 3: Cross multiply
    488,754,705.90x = 733,982,364.45 × 259,172,193.90
  4. Step 4: Simplify right side
    488,754,705.90x = 190,227,819,678,415,872
  5. Step 5: Solve for x
    x = 190,227,819,678,415,872/488,754,705.90
  6. Step 6: Final answer
    x = 389,209,182.81

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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.