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Finding the Fourth Proportional to 297.35, 410.32 and 173.00

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Solution

The fourth proportional to 297.35, 410.32 and 173.00 is: 238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.35 : 410.32 = 173.00 : x
  2. Step 2: Convert to fraction form
    297.35/410.32 = 173.00/x
  3. Step 3: Cross multiply
    297.35x = 410.32 × 173.00
  4. Step 4: Simplify right side
    297.35x = 70,985.63
  5. Step 5: Solve for x
    x = 70,985.63/297.35
  6. Step 6: Final answer
    x = 238.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.