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Finding the Fourth Proportional to 995.66, 1,494.23 and 371.52

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Solution

The fourth proportional to 995.66, 1,494.23 and 371.52 is: 557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.66 : 1,494.23 = 371.52 : x
  2. Step 2: Convert to fraction form
    995.66/1,494.23 = 371.52/x
  3. Step 3: Cross multiply
    995.66x = 1,494.23 × 371.52
  4. Step 4: Simplify right side
    995.66x = 555,134.47
  5. Step 5: Solve for x
    x = 555,134.47/995.66
  6. Step 6: Final answer
    x = 557.56

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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.