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Finding the Fourth Proportional to 452,902.22, 679,337.66 and 115,945.76

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Solution

The fourth proportional to 452,902.22, 679,337.66 and 115,945.76 is: 173,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,902.22 : 679,337.66 = 115,945.76 : x
  2. Step 2: Convert to fraction form
    452,902.22/679,337.66 = 115,945.76/x
  3. Step 3: Cross multiply
    452,902.22x = 679,337.66 × 115,945.76
  4. Step 4: Simplify right side
    452,902.22x = 78,766,323,273.53
  5. Step 5: Solve for x
    x = 78,766,323,273.53/452,902.22
  6. Step 6: Final answer
    x = 173,914.63

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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.