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Finding the Fourth Proportional to 270,049.38, 372,668.14 and 156,879.42

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Solution

The fourth proportional to 270,049.38, 372,668.14 and 156,879.42 is: 216,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,049.38 : 372,668.14 = 156,879.42 : x
  2. Step 2: Convert to fraction form
    270,049.38/372,668.14 = 156,879.42/x
  3. Step 3: Cross multiply
    270,049.38x = 372,668.14 × 156,879.42
  4. Step 4: Simplify right side
    270,049.38x = 58,463,961,655.68
  5. Step 5: Solve for x
    x = 58,463,961,655.68/270,049.38
  6. Step 6: Final answer
    x = 216,493.60

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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.