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Finding the Fourth Proportional to 312,253.96, 468,380.22 and 241,279.78

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Solution

The fourth proportional to 312,253.96, 468,380.22 and 241,279.78 is: 361,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,253.96 : 468,380.22 = 241,279.78 : x
  2. Step 2: Convert to fraction form
    312,253.96/468,380.22 = 241,279.78/x
  3. Step 3: Cross multiply
    312,253.96x = 468,380.22 × 241,279.78
  4. Step 4: Simplify right side
    312,253.96x = 113,010,676,437.95
  5. Step 5: Solve for x
    x = 113,010,676,437.95/312,253.96
  6. Step 6: Final answer
    x = 361,919.11

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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.