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Finding the Fourth Proportional to 331,627.75, 497,546.75 and 118,391.02

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Solution

The fourth proportional to 331,627.75, 497,546.75 and 118,391.02 is: 177,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,627.75 : 497,546.75 = 118,391.02 : x
  2. Step 2: Convert to fraction form
    331,627.75/497,546.75 = 118,391.02/x
  3. Step 3: Cross multiply
    331,627.75x = 497,546.75 × 118,391.02
  4. Step 4: Simplify right side
    331,627.75x = 58,905,066,282.30
  5. Step 5: Solve for x
    x = 58,905,066,282.30/331,627.75
  6. Step 6: Final answer
    x = 177,624.06

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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.