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Finding the Fourth Proportional to 497.84, 746.88 and 173.24

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Solution

The fourth proportional to 497.84, 746.88 and 173.24 is: 259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.84 : 746.88 = 173.24 : x
  2. Step 2: Convert to fraction form
    497.84/746.88 = 173.24/x
  3. Step 3: Cross multiply
    497.84x = 746.88 × 173.24
  4. Step 4: Simplify right side
    497.84x = 129,389.49
  5. Step 5: Solve for x
    x = 129,389.49/497.84
  6. Step 6: Final answer
    x = 259.90

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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.