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Finding the Fourth Proportional to 832.66, 1,250.38 and 799.55

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Solution

The fourth proportional to 832.66, 1,250.38 and 799.55 is: 1,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.66 : 1,250.38 = 799.55 : x
  2. Step 2: Convert to fraction form
    832.66/1,250.38 = 799.55/x
  3. Step 3: Cross multiply
    832.66x = 1,250.38 × 799.55
  4. Step 4: Simplify right side
    832.66x = 999,743.33
  5. Step 5: Solve for x
    x = 999,743.33/832.66
  6. Step 6: Final answer
    x = 1,200.66

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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.