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Finding the Fourth Proportional to 1,062.08, 1,593.11 and 331.65

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Solution

The fourth proportional to 1,062.08, 1,593.11 and 331.65 is: 497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.08 : 1,593.11 = 331.65 : x
  2. Step 2: Convert to fraction form
    1,062.08/1,593.11 = 331.65/x
  3. Step 3: Cross multiply
    1,062.08x = 1,593.11 × 331.65
  4. Step 4: Simplify right side
    1,062.08x = 528,353.27
  5. Step 5: Solve for x
    x = 528,353.27/1,062.08
  6. Step 6: Final answer
    x = 497.47

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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.