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Finding the Fourth Proportional to 432.15, 596.26 and 255.12

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Solution

The fourth proportional to 432.15, 596.26 and 255.12 is: 352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.15 : 596.26 = 255.12 : x
  2. Step 2: Convert to fraction form
    432.15/596.26 = 255.12/x
  3. Step 3: Cross multiply
    432.15x = 596.26 × 255.12
  4. Step 4: Simplify right side
    432.15x = 152,117.85
  5. Step 5: Solve for x
    x = 152,117.85/432.15
  6. Step 6: Final answer
    x = 352.00

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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.