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Finding the Fourth Proportional to 486,182.88, 670,966.30 and 271,326.54

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Solution

The fourth proportional to 486,182.88, 670,966.30 and 271,326.54 is: 374,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,182.88 : 670,966.30 = 271,326.54 : x
  2. Step 2: Convert to fraction form
    486,182.88/670,966.30 = 271,326.54/x
  3. Step 3: Cross multiply
    486,182.88x = 670,966.30 × 271,326.54
  4. Step 4: Simplify right side
    486,182.88x = 182,050,964,635.60
  5. Step 5: Solve for x
    x = 182,050,964,635.60/486,182.88
  6. Step 6: Final answer
    x = 374,449.56

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1.5x scale

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.