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Finding the Fourth Proportional to 432.26, 596.54 and 255.24

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Solution

The fourth proportional to 432.26, 596.54 and 255.24 is: 352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.26 : 596.54 = 255.24 : x
  2. Step 2: Convert to fraction form
    432.26/596.54 = 255.24/x
  3. Step 3: Cross multiply
    432.26x = 596.54 × 255.24
  4. Step 4: Simplify right side
    432.26x = 152,260.87
  5. Step 5: Solve for x
    x = 152,260.87/432.26
  6. Step 6: Final answer
    x = 352.24

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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.