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Finding the Fourth Proportional to 229,408.56, 316,634.42 and 127,469.04

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Solution

The fourth proportional to 229,408.56, 316,634.42 and 127,469.04 is: 175,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,408.56 : 316,634.42 = 127,469.04 : x
  2. Step 2: Convert to fraction form
    229,408.56/316,634.42 = 127,469.04/x
  3. Step 3: Cross multiply
    229,408.56x = 316,634.42 × 127,469.04
  4. Step 4: Simplify right side
    229,408.56x = 40,361,085,548.36
  5. Step 5: Solve for x
    x = 40,361,085,548.36/229,408.56
  6. Step 6: Final answer
    x = 175,935.39

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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.