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Finding the Fourth Proportional to 432.36, 596.34 and 301.32

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Solution

The fourth proportional to 432.36, 596.34 and 301.32 is: 415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.36 : 596.34 = 301.32 : x
  2. Step 2: Convert to fraction form
    432.36/596.34 = 301.32/x
  3. Step 3: Cross multiply
    432.36x = 596.34 × 301.32
  4. Step 4: Simplify right side
    432.36x = 179,689.17
  5. Step 5: Solve for x
    x = 179,689.17/432.36
  6. Step 6: Final answer
    x = 415.60

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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.