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Finding the Fourth Proportional to 535.26, 738.44 and 360.66

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Solution

The fourth proportional to 535.26, 738.44 and 360.66 is: 497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.26 : 738.44 = 360.66 : x
  2. Step 2: Convert to fraction form
    535.26/738.44 = 360.66/x
  3. Step 3: Cross multiply
    535.26x = 738.44 × 360.66
  4. Step 4: Simplify right side
    535.26x = 266,325.77
  5. Step 5: Solve for x
    x = 266,325.77/535.26
  6. Step 6: Final answer
    x = 497.56

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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.