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Finding the Fourth Proportional to 253,708.56, 350,261.28 and 173,252.88

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Solution

The fourth proportional to 253,708.56, 350,261.28 and 173,252.88 is: 239,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,708.56 : 350,261.28 = 173,252.88 : x
  2. Step 2: Convert to fraction form
    253,708.56/350,261.28 = 173,252.88/x
  3. Step 3: Cross multiply
    253,708.56x = 350,261.28 × 173,252.88
  4. Step 4: Simplify right side
    253,708.56x = 60,683,775,512.49
  5. Step 5: Solve for x
    x = 60,683,775,512.49/253,708.56
  6. Step 6: Final answer
    x = 239,186.95

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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.