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Finding the Fourth Proportional to 270,863.78, 373,854.22 and 180,223.56

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Solution

The fourth proportional to 270,863.78, 373,854.22 and 180,223.56 is: 248,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,863.78 : 373,854.22 = 180,223.56 : x
  2. Step 2: Convert to fraction form
    270,863.78/373,854.22 = 180,223.56/x
  3. Step 3: Cross multiply
    270,863.78x = 373,854.22 × 180,223.56
  4. Step 4: Simplify right side
    270,863.78x = 67,377,338,449.42
  5. Step 5: Solve for x
    x = 67,377,338,449.42/270,863.78
  6. Step 6: Final answer
    x = 248,749.90

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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.