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Finding the Fourth Proportional to 356.62, 535.01 and 173.92

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Solution

The fourth proportional to 356.62, 535.01 and 173.92 is: 260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.62 : 535.01 = 173.92 : x
  2. Step 2: Convert to fraction form
    356.62/535.01 = 173.92/x
  3. Step 3: Cross multiply
    356.62x = 535.01 × 173.92
  4. Step 4: Simplify right side
    356.62x = 93,048.94
  5. Step 5: Solve for x
    x = 93,048.94/356.62
  6. Step 6: Final answer
    x = 260.92

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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.