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Finding the Fourth Proportional to 308,158.76, 425,301.33 and 177,333.72

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Solution

The fourth proportional to 308,158.76, 425,301.33 and 177,333.72 is: 244,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,158.76 : 425,301.33 = 177,333.72 : x
  2. Step 2: Convert to fraction form
    308,158.76/425,301.33 = 177,333.72/x
  3. Step 3: Cross multiply
    308,158.76x = 425,301.33 × 177,333.72
  4. Step 4: Simplify right side
    308,158.76x = 75,420,268,476.44
  5. Step 5: Solve for x
    x = 75,420,268,476.44/308,158.76
  6. Step 6: Final answer
    x = 244,744.85

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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.