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Finding the Fourth Proportional to 995.29, 1,373.33 and 575.57

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Solution

The fourth proportional to 995.29, 1,373.33 and 575.57 is: 794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.29 : 1,373.33 = 575.57 : x
  2. Step 2: Convert to fraction form
    995.29/1,373.33 = 575.57/x
  3. Step 3: Cross multiply
    995.29x = 1,373.33 × 575.57
  4. Step 4: Simplify right side
    995.29x = 790,452.42
  5. Step 5: Solve for x
    x = 790,452.42/995.29
  6. Step 6: Final answer
    x = 794.20

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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.