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Finding the Fourth Proportional to 367,065.86, 550,576.65 and 218,253.15

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Solution

The fourth proportional to 367,065.86, 550,576.65 and 218,253.15 is: 327,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,065.86 : 550,576.65 = 218,253.15 : x
  2. Step 2: Convert to fraction form
    367,065.86/550,576.65 = 218,253.15/x
  3. Step 3: Cross multiply
    367,065.86x = 550,576.65 × 218,253.15
  4. Step 4: Simplify right side
    367,065.86x = 120,165,088,178.95
  5. Step 5: Solve for x
    x = 120,165,088,178.95/367,065.86
  6. Step 6: Final answer
    x = 327,366.57

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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.