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Finding the Fourth Proportional to 375.88, 560.60 and 356.44

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Solution

The fourth proportional to 375.88, 560.60 and 356.44 is: 531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.88 : 560.60 = 356.44 : x
  2. Step 2: Convert to fraction form
    375.88/560.60 = 356.44/x
  3. Step 3: Cross multiply
    375.88x = 560.60 × 356.44
  4. Step 4: Simplify right side
    375.88x = 199,820.26
  5. Step 5: Solve for x
    x = 199,820.26/375.88
  6. Step 6: Final answer
    x = 531.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.