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Finding the Fourth Proportional to 332.70, 458.70 and 262.50

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Solution

The fourth proportional to 332.70, 458.70 and 262.50 is: 361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.70 : 458.70 = 262.50 : x
  2. Step 2: Convert to fraction form
    332.70/458.70 = 262.50/x
  3. Step 3: Cross multiply
    332.70x = 458.70 × 262.50
  4. Step 4: Simplify right side
    332.70x = 120,408.75
  5. Step 5: Solve for x
    x = 120,408.75/332.70
  6. Step 6: Final answer
    x = 361.91

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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.