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Finding the Fourth Proportional to 268,294.56, 370,255.10 and 147,447.02

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Solution

The fourth proportional to 268,294.56, 370,255.10 and 147,447.02 is: 203,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,294.56 : 370,255.10 = 147,447.02 : x
  2. Step 2: Convert to fraction form
    268,294.56/370,255.10 = 147,447.02/x
  3. Step 3: Cross multiply
    268,294.56x = 370,255.10 × 147,447.02
  4. Step 4: Simplify right side
    268,294.56x = 54,593,008,546.29
  5. Step 5: Solve for x
    x = 54,593,008,546.29/268,294.56
  6. Step 6: Final answer
    x = 203,481.61

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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.