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Finding the Fourth Proportional to 332,680.68, 459,098.88 and 189,440.73

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Solution

The fourth proportional to 332,680.68, 459,098.88 and 189,440.73 is: 261,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,680.68 : 459,098.88 = 189,440.73 : x
  2. Step 2: Convert to fraction form
    332,680.68/459,098.88 = 189,440.73/x
  3. Step 3: Cross multiply
    332,680.68x = 459,098.88 × 189,440.73
  4. Step 4: Simplify right side
    332,680.68x = 86,972,026,969.38
  5. Step 5: Solve for x
    x = 86,972,026,969.38/332,680.68
  6. Step 6: Final answer
    x = 261,427.95

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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.