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Finding the Fourth Proportional to 372.56, 556.56 and 241.48

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Solution

The fourth proportional to 372.56, 556.56 and 241.48 is: 360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.56 : 556.56 = 241.48 : x
  2. Step 2: Convert to fraction form
    372.56/556.56 = 241.48/x
  3. Step 3: Cross multiply
    372.56x = 556.56 × 241.48
  4. Step 4: Simplify right side
    372.56x = 134,398.11
  5. Step 5: Solve for x
    x = 134,398.11/372.56
  6. Step 6: Final answer
    x = 360.74

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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.