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Finding the Fourth Proportional to 363,719.60, 545,229.44 and 186,310.16

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Solution

The fourth proportional to 363,719.60, 545,229.44 and 186,310.16 is: 279,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,719.60 : 545,229.44 = 186,310.16 : x
  2. Step 2: Convert to fraction form
    363,719.60/545,229.44 = 186,310.16/x
  3. Step 3: Cross multiply
    363,719.60x = 545,229.44 × 186,310.16
  4. Step 4: Simplify right side
    363,719.60x = 101,581,784,203.11
  5. Step 5: Solve for x
    x = 101,581,784,203.11/363,719.60
  6. Step 6: Final answer
    x = 279,285.98

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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.