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Finding the Fourth Proportional to 363,425.64, 545,250.11 and 186,057.15

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Solution

The fourth proportional to 363,425.64, 545,250.11 and 186,057.15 is: 279,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,425.64 : 545,250.11 = 186,057.15 : x
  2. Step 2: Convert to fraction form
    363,425.64/545,250.11 = 186,057.15/x
  3. Step 3: Cross multiply
    363,425.64x = 545,250.11 × 186,057.15
  4. Step 4: Simplify right side
    363,425.64x = 101,447,680,573.50
  5. Step 5: Solve for x
    x = 101,447,680,573.50/363,425.64
  6. Step 6: Final answer
    x = 279,142.88

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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.