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Finding the Fourth Proportional to 432.30, 596.52 and 358.32

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Solution

The fourth proportional to 432.30, 596.52 and 358.32 is: 494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.30 : 596.52 = 358.32 : x
  2. Step 2: Convert to fraction form
    432.30/596.52 = 358.32/x
  3. Step 3: Cross multiply
    432.30x = 596.52 × 358.32
  4. Step 4: Simplify right side
    432.30x = 213,745.05
  5. Step 5: Solve for x
    x = 213,745.05/432.30
  6. Step 6: Final answer
    x = 494.44

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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.