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Finding the Fourth Proportional to 358.56, 537.30 and 250.56

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Solution

The fourth proportional to 358.56, 537.30 and 250.56 is: 375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.56 : 537.30 = 250.56 : x
  2. Step 2: Convert to fraction form
    358.56/537.30 = 250.56/x
  3. Step 3: Cross multiply
    358.56x = 537.30 × 250.56
  4. Step 4: Simplify right side
    358.56x = 134,625.89
  5. Step 5: Solve for x
    x = 134,625.89/358.56
  6. Step 6: Final answer
    x = 375.46

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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.