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Finding the Fourth Proportional to 308,589.35, 425,938.88 and 179,552.75

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Solution

The fourth proportional to 308,589.35, 425,938.88 and 179,552.75 is: 247,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,589.35 : 425,938.88 = 179,552.75 : x
  2. Step 2: Convert to fraction form
    308,589.35/425,938.88 = 179,552.75/x
  3. Step 3: Cross multiply
    308,589.35x = 425,938.88 × 179,552.75
  4. Step 4: Simplify right side
    308,589.35x = 76,478,497,446.02
  5. Step 5: Solve for x
    x = 76,478,497,446.02/308,589.35
  6. Step 6: Final answer
    x = 247,832.59

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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.