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Finding the Fourth Proportional to 268,441.92, 370,450.08 and 147,591

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Solution

The fourth proportional to 268,441.92, 370,450.08 and 147,591 is: 203,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,441.92 : 370,450.08 = 147,591 : x
  2. Step 2: Convert to fraction form
    268,441.92/370,450.08 = 147,591/x
  3. Step 3: Cross multiply
    268,441.92x = 370,450.08 × 147,591
  4. Step 4: Simplify right side
    268,441.92x = 54,675,097,757.28
  5. Step 5: Solve for x
    x = 54,675,097,757.28/268,441.92
  6. Step 6: Final answer
    x = 203,675.71

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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.