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Finding the Fourth Proportional to 229,280.26, 316,408.02 and 127,304.26

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Solution

The fourth proportional to 229,280.26, 316,408.02 and 127,304.26 is: 175,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,280.26 : 316,408.02 = 127,304.26 : x
  2. Step 2: Convert to fraction form
    229,280.26/316,408.02 = 127,304.26/x
  3. Step 3: Cross multiply
    229,280.26x = 316,408.02 × 127,304.26
  4. Step 4: Simplify right side
    229,280.26x = 40,280,088,844.17
  5. Step 5: Solve for x
    x = 40,280,088,844.17/229,280.26
  6. Step 6: Final answer
    x = 175,680.58

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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.