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Finding the Fourth Proportional to 367,063.60, 550,573.28 and 218,250.90

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Solution

The fourth proportional to 367,063.60, 550,573.28 and 218,250.90 is: 327,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,063.60 : 550,573.28 = 218,250.90 : x
  2. Step 2: Convert to fraction form
    367,063.60/550,573.28 = 218,250.90/x
  3. Step 3: Cross multiply
    367,063.60x = 550,573.28 × 218,250.90
  4. Step 4: Simplify right side
    367,063.60x = 120,163,111,205.41
  5. Step 5: Solve for x
    x = 120,163,111,205.41/367,063.60
  6. Step 6: Final answer
    x = 327,363.19

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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.