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Finding the Fourth Proportional to 360,974.76, 541,193.78 and 218,785.14

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Solution

The fourth proportional to 360,974.76, 541,193.78 and 218,785.14 is: 328,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,974.76 : 541,193.78 = 218,785.14 : x
  2. Step 2: Convert to fraction form
    360,974.76/541,193.78 = 218,785.14/x
  3. Step 3: Cross multiply
    360,974.76x = 541,193.78 × 218,785.14
  4. Step 4: Simplify right side
    360,974.76x = 118,405,155,830.50
  5. Step 5: Solve for x
    x = 118,405,155,830.50/360,974.76
  6. Step 6: Final answer
    x = 328,015.06

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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.