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Finding the Fourth Proportional to 308,377.08, 425,650.50 and 179,345.79

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Solution

The fourth proportional to 308,377.08, 425,650.50 and 179,345.79 is: 247,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,377.08 : 425,650.50 = 179,345.79 : x
  2. Step 2: Convert to fraction form
    308,377.08/425,650.50 = 179,345.79/x
  3. Step 3: Cross multiply
    308,377.08x = 425,650.50 × 179,345.79
  4. Step 4: Simplify right side
    308,377.08x = 76,338,625,186.40
  5. Step 5: Solve for x
    x = 76,338,625,186.40/308,377.08
  6. Step 6: Final answer
    x = 247,549.61

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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.