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Finding the Fourth Proportional to 332.88, 499.32 and 170.16

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Solution

The fourth proportional to 332.88, 499.32 and 170.16 is: 255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.88 : 499.32 = 170.16 : x
  2. Step 2: Convert to fraction form
    332.88/499.32 = 170.16/x
  3. Step 3: Cross multiply
    332.88x = 499.32 × 170.16
  4. Step 4: Simplify right side
    332.88x = 84,964.29
  5. Step 5: Solve for x
    x = 84,964.29/332.88
  6. Step 6: Final answer
    x = 255.24

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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.