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Finding the Fourth Proportional to 363,373.44, 545,062.59 and 126,715.20

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Solution

The fourth proportional to 363,373.44, 545,062.59 and 126,715.20 is: 190,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,373.44 : 545,062.59 = 126,715.20 : x
  2. Step 2: Convert to fraction form
    363,373.44/545,062.59 = 126,715.20/x
  3. Step 3: Cross multiply
    363,373.44x = 545,062.59 × 126,715.20
  4. Step 4: Simplify right side
    363,373.44x = 69,067,715,104.37
  5. Step 5: Solve for x
    x = 69,067,715,104.37/363,373.44
  6. Step 6: Final answer
    x = 190,073.65

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1.5x scale

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.