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Finding the Fourth Proportional to 999,902.22, 1,499,863.05 and 251,948.22

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Solution

The fourth proportional to 999,902.22, 1,499,863.05 and 251,948.22 is: 377,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,902.22 : 1,499,863.05 = 251,948.22 : x
  2. Step 2: Convert to fraction form
    999,902.22/1,499,863.05 = 251,948.22/x
  3. Step 3: Cross multiply
    999,902.22x = 1,499,863.05 × 251,948.22
  4. Step 4: Simplify right side
    999,902.22x = 377,887,825,691.27
  5. Step 5: Solve for x
    x = 377,887,825,691.27/999,902.22
  6. Step 6: Final answer
    x = 377,924.78

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1.5x scale

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.