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Finding the Fourth Proportional to 498,324,010.60, 747,486,015.90 and 294,250,666.60

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Solution

The fourth proportional to 498,324,010.60, 747,486,015.90 and 294,250,666.60 is: 441,375,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,324,010.60 : 747,486,015.90 = 294,250,666.60 : x
  2. Step 2: Convert to fraction form
    498,324,010.60/747,486,015.90 = 294,250,666.60/x
  3. Step 3: Cross multiply
    498,324,010.60x = 747,486,015.90 × 294,250,666.60
  4. Step 4: Simplify right side
    498,324,010.60x = 219,948,258,452,753,216
  5. Step 5: Solve for x
    x = 219,948,258,452,753,216/498,324,010.60
  6. Step 6: Final answer
    x = 441,375,999.90

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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.