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Finding the Fourth Proportional to 491,657.67, 737,365.01 and 136,654.11

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Solution

The fourth proportional to 491,657.67, 737,365.01 and 136,654.11 is: 204,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,657.67 : 737,365.01 = 136,654.11 : x
  2. Step 2: Convert to fraction form
    491,657.67/737,365.01 = 136,654.11/x
  3. Step 3: Cross multiply
    491,657.67x = 737,365.01 × 136,654.11
  4. Step 4: Simplify right side
    491,657.67x = 100,763,958,503.42
  5. Step 5: Solve for x
    x = 100,763,958,503.42/491,657.67
  6. Step 6: Final answer
    x = 204,947.39

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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.