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Finding the Fourth Proportional to 229,418.28, 316,601.28 and 127,452.96

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Solution

The fourth proportional to 229,418.28, 316,601.28 and 127,452.96 is: 175,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,418.28 : 316,601.28 = 127,452.96 : x
  2. Step 2: Convert to fraction form
    229,418.28/316,601.28 = 127,452.96/x
  3. Step 3: Cross multiply
    229,418.28x = 316,601.28 × 127,452.96
  4. Step 4: Simplify right side
    229,418.28x = 40,351,770,275.79
  5. Step 5: Solve for x
    x = 40,351,770,275.79/229,418.28
  6. Step 6: Final answer
    x = 175,887.34

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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.