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Finding the Fourth Proportional to 344.16, 475.20 and 240.48

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Solution

The fourth proportional to 344.16, 475.20 and 240.48 is: 332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.16 : 475.20 = 240.48 : x
  2. Step 2: Convert to fraction form
    344.16/475.20 = 240.48/x
  3. Step 3: Cross multiply
    344.16x = 475.20 × 240.48
  4. Step 4: Simplify right side
    344.16x = 114,276.10
  5. Step 5: Solve for x
    x = 114,276.10/344.16
  6. Step 6: Final answer
    x = 332.04

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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.