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Finding the Fourth Proportional to 367,091.60, 550,615.18 and 218,278.89

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Solution

The fourth proportional to 367,091.60, 550,615.18 and 218,278.89 is: 327,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,091.60 : 550,615.18 = 218,278.89 : x
  2. Step 2: Convert to fraction form
    367,091.60/550,615.18 = 218,278.89/x
  3. Step 3: Cross multiply
    367,091.60x = 550,615.18 × 218,278.89
  4. Step 4: Simplify right side
    367,091.60x = 120,187,669,761.85
  5. Step 5: Solve for x
    x = 120,187,669,761.85/367,091.60
  6. Step 6: Final answer
    x = 327,405.13

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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.