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Finding the Fourth Proportional to 363,773.94, 545,819.67 and 127,286.34

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Solution

The fourth proportional to 363,773.94, 545,819.67 and 127,286.34 is: 190,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,773.94 : 545,819.67 = 127,286.34 : x
  2. Step 2: Convert to fraction form
    363,773.94/545,819.67 = 127,286.34/x
  3. Step 3: Cross multiply
    363,773.94x = 545,819.67 × 127,286.34
  4. Step 4: Simplify right side
    363,773.94x = 69,475,388,094.31
  5. Step 5: Solve for x
    x = 69,475,388,094.31/363,773.94
  6. Step 6: Final answer
    x = 190,985.06

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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.