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Finding the Fourth Proportional to 486,050.28, 670,748.46 and 271,177.56

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Solution

The fourth proportional to 486,050.28, 670,748.46 and 271,177.56 is: 374,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,050.28 : 670,748.46 = 271,177.56 : x
  2. Step 2: Convert to fraction form
    486,050.28/670,748.46 = 271,177.56/x
  3. Step 3: Cross multiply
    486,050.28x = 670,748.46 × 271,177.56
  4. Step 4: Simplify right side
    486,050.28x = 181,891,930,756.56
  5. Step 5: Solve for x
    x = 181,891,930,756.56/486,050.28
  6. Step 6: Final answer
    x = 374,224.52

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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.