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Finding the Fourth Proportional to 432.02, 596.18 and 235.53

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Solution

The fourth proportional to 432.02, 596.18 and 235.53 is: 325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.02 : 596.18 = 235.53 : x
  2. Step 2: Convert to fraction form
    432.02/596.18 = 235.53/x
  3. Step 3: Cross multiply
    432.02x = 596.18 × 235.53
  4. Step 4: Simplify right side
    432.02x = 140,418.86
  5. Step 5: Solve for x
    x = 140,418.86/432.02
  6. Step 6: Final answer
    x = 325.03

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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.