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Finding the Fourth Proportional to 372.54, 558.41 and 250.50

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Solution

The fourth proportional to 372.54, 558.41 and 250.50 is: 375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.54 : 558.41 = 250.50 : x
  2. Step 2: Convert to fraction form
    372.54/558.41 = 250.50/x
  3. Step 3: Cross multiply
    372.54x = 558.41 × 250.50
  4. Step 4: Simplify right side
    372.54x = 139,880.45
  5. Step 5: Solve for x
    x = 139,880.45/372.54
  6. Step 6: Final answer
    x = 375.48

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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.