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Finding the Fourth Proportional to 293,278.62, 404,723.07 and 159,142.62

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Solution

The fourth proportional to 293,278.62, 404,723.07 and 159,142.62 is: 219,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,278.62 : 404,723.07 = 159,142.62 : x
  2. Step 2: Convert to fraction form
    293,278.62/404,723.07 = 159,142.62/x
  3. Step 3: Cross multiply
    293,278.62x = 404,723.07 × 159,142.62
  4. Step 4: Simplify right side
    293,278.62x = 64,408,689,734.24
  5. Step 5: Solve for x
    x = 64,408,689,734.24/293,278.62
  6. Step 6: Final answer
    x = 219,616.04

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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.