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Finding the Fourth Proportional to 358.67, 537.88 and 173.47

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Solution

The fourth proportional to 358.67, 537.88 and 173.47 is: 260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.67 : 537.88 = 173.47 : x
  2. Step 2: Convert to fraction form
    358.67/537.88 = 173.47/x
  3. Step 3: Cross multiply
    358.67x = 537.88 × 173.47
  4. Step 4: Simplify right side
    358.67x = 93,306.04
  5. Step 5: Solve for x
    x = 93,306.04/358.67
  6. Step 6: Final answer
    x = 260.14

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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.