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Finding the Fourth Proportional to 308,294.78, 425,500.94 and 179,273.18

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Solution

The fourth proportional to 308,294.78, 425,500.94 and 179,273.18 is: 247,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,294.78 : 425,500.94 = 179,273.18 : x
  2. Step 2: Convert to fraction form
    308,294.78/425,500.94 = 179,273.18/x
  3. Step 3: Cross multiply
    308,294.78x = 425,500.94 × 179,273.18
  4. Step 4: Simplify right side
    308,294.78x = 76,280,908,118.72
  5. Step 5: Solve for x
    x = 76,280,908,118.72/308,294.78
  6. Step 6: Final answer
    x = 247,428.48

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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.