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Finding the Fourth Proportional to 256,591.62, 354,082.08 and 141,863.58

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Solution

The fourth proportional to 256,591.62, 354,082.08 and 141,863.58 is: 195,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,591.62 : 354,082.08 = 141,863.58 : x
  2. Step 2: Convert to fraction form
    256,591.62/354,082.08 = 141,863.58/x
  3. Step 3: Cross multiply
    256,591.62x = 354,082.08 × 141,863.58
  4. Step 4: Simplify right side
    256,591.62x = 50,231,351,482.65
  5. Step 5: Solve for x
    x = 50,231,351,482.65/256,591.62
  6. Step 6: Final answer
    x = 195,763.80

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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.