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Finding the Fourth Proportional to 432.46, 596.79 and 245.95

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Solution

The fourth proportional to 432.46, 596.79 and 245.95 is: 339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.46 : 596.79 = 245.95 : x
  2. Step 2: Convert to fraction form
    432.46/596.79 = 245.95/x
  3. Step 3: Cross multiply
    432.46x = 596.79 × 245.95
  4. Step 4: Simplify right side
    432.46x = 146,779.01
  5. Step 5: Solve for x
    x = 146,779.01/432.46
  6. Step 6: Final answer
    x = 339.41

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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.