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Finding the Fourth Proportional to 486,662.18, 671,527.46 and 271,774.85

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Solution

The fourth proportional to 486,662.18, 671,527.46 and 271,774.85 is: 375,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,662.18 : 671,527.46 = 271,774.85 : x
  2. Step 2: Convert to fraction form
    486,662.18/671,527.46 = 271,774.85/x
  3. Step 3: Cross multiply
    486,662.18x = 671,527.46 × 271,774.85
  4. Step 4: Simplify right side
    486,662.18x = 182,504,272,034.18
  5. Step 5: Solve for x
    x = 182,504,272,034.18/486,662.18
  6. Step 6: Final answer
    x = 375,012.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.