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Finding the Fourth Proportional to 675.56, 932.74 and 552.68

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Solution

The fourth proportional to 675.56, 932.74 and 552.68 is: 763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.56 : 932.74 = 552.68 : x
  2. Step 2: Convert to fraction form
    675.56/932.74 = 552.68/x
  3. Step 3: Cross multiply
    675.56x = 932.74 × 552.68
  4. Step 4: Simplify right side
    675.56x = 515,506.74
  5. Step 5: Solve for x
    x = 515,506.74/675.56
  6. Step 6: Final answer
    x = 763.08

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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.