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Finding the Fourth Proportional to 432.37, 596.65 and 266.59

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Solution

The fourth proportional to 432.37, 596.65 and 266.59 is: 367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.37 : 596.65 = 266.59 : x
  2. Step 2: Convert to fraction form
    432.37/596.65 = 266.59/x
  3. Step 3: Cross multiply
    432.37x = 596.65 × 266.59
  4. Step 4: Simplify right side
    432.37x = 159,060.92
  5. Step 5: Solve for x
    x = 159,060.92/432.37
  6. Step 6: Final answer
    x = 367.88

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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.