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Finding the Fourth Proportional to 308,452.66, 425,595.67 and 179,348.58

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Solution

The fourth proportional to 308,452.66, 425,595.67 and 179,348.58 is: 247,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,452.66 : 425,595.67 = 179,348.58 : x
  2. Step 2: Convert to fraction form
    308,452.66/425,595.67 = 179,348.58/x
  3. Step 3: Cross multiply
    308,452.66x = 425,595.67 × 179,348.58
  4. Step 4: Simplify right side
    308,452.66x = 76,329,978,620.28
  5. Step 5: Solve for x
    x = 76,329,978,620.28/308,452.66
  6. Step 6: Final answer
    x = 247,460.92

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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.