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Finding the Fourth Proportional to 432.26, 596.53 and 255.23

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Solution

The fourth proportional to 432.26, 596.53 and 255.23 is: 352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.26 : 596.53 = 255.23 : x
  2. Step 2: Convert to fraction form
    432.26/596.53 = 255.23/x
  3. Step 3: Cross multiply
    432.26x = 596.53 × 255.23
  4. Step 4: Simplify right side
    432.26x = 152,252.35
  5. Step 5: Solve for x
    x = 152,252.35/432.26
  6. Step 6: Final answer
    x = 352.22

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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.