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Finding the Fourth Proportional to 432.98, 597.47 and 236.49

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Solution

The fourth proportional to 432.98, 597.47 and 236.49 is: 326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.98 : 597.47 = 236.49 : x
  2. Step 2: Convert to fraction form
    432.98/597.47 = 236.49/x
  3. Step 3: Cross multiply
    432.98x = 597.47 × 236.49
  4. Step 4: Simplify right side
    432.98x = 141,295.68
  5. Step 5: Solve for x
    x = 141,295.68/432.98
  6. Step 6: Final answer
    x = 326.33

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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.