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Finding the Fourth Proportional to 372.74, 558.50 and 295.28

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Solution

The fourth proportional to 372.74, 558.50 and 295.28 is: 442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.74 : 558.50 = 295.28 : x
  2. Step 2: Convert to fraction form
    372.74/558.50 = 295.28/x
  3. Step 3: Cross multiply
    372.74x = 558.50 × 295.28
  4. Step 4: Simplify right side
    372.74x = 164,911.71
  5. Step 5: Solve for x
    x = 164,911.71/372.74
  6. Step 6: Final answer
    x = 442.44

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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.