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Finding the Fourth Proportional to 491,380.38, 735,701.94 and 250,973.73

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Solution

The fourth proportional to 491,380.38, 735,701.94 and 250,973.73 is: 375,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,380.38 : 735,701.94 = 250,973.73 : x
  2. Step 2: Convert to fraction form
    491,380.38/735,701.94 = 250,973.73/x
  3. Step 3: Cross multiply
    491,380.38x = 735,701.94 × 250,973.73
  4. Step 4: Simplify right side
    491,380.38x = 184,641,860,050.04
  5. Step 5: Solve for x
    x = 184,641,860,050.04/491,380.38
  6. Step 6: Final answer
    x = 375,761.56

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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.