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Finding the Fourth Proportional to 1,062.64, 1,593.96 and 293.14

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Solution

The fourth proportional to 1,062.64, 1,593.96 and 293.14 is: 439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.64 : 1,593.96 = 293.14 : x
  2. Step 2: Convert to fraction form
    1,062.64/1,593.96 = 293.14/x
  3. Step 3: Cross multiply
    1,062.64x = 1,593.96 × 293.14
  4. Step 4: Simplify right side
    1,062.64x = 467,253.43
  5. Step 5: Solve for x
    x = 467,253.43/1,062.64
  6. Step 6: Final answer
    x = 439.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.