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Finding the Fourth Proportional to 432.32, 595.20 and 344.48

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Solution

The fourth proportional to 432.32, 595.20 and 344.48 is: 474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.32 : 595.20 = 344.48 : x
  2. Step 2: Convert to fraction form
    432.32/595.20 = 344.48/x
  3. Step 3: Cross multiply
    432.32x = 595.20 × 344.48
  4. Step 4: Simplify right side
    432.32x = 205,034.50
  5. Step 5: Solve for x
    x = 205,034.50/432.32
  6. Step 6: Final answer
    x = 474.27

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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.