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Finding the Fourth Proportional to 271,945.32, 375,338.48 and 173,765.76

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Solution

The fourth proportional to 271,945.32, 375,338.48 and 173,765.76 is: 239,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,945.32 : 375,338.48 = 173,765.76 : x
  2. Step 2: Convert to fraction form
    271,945.32/375,338.48 = 173,765.76/x
  3. Step 3: Cross multiply
    271,945.32x = 375,338.48 × 173,765.76
  4. Step 4: Simplify right side
    271,945.32x = 65,220,976,234.44
  5. Step 5: Solve for x
    x = 65,220,976,234.44/271,945.32
  6. Step 6: Final answer
    x = 239,831.21

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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.