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Finding the Fourth Proportional to 332.98, 459.26 and 220.92

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Solution

The fourth proportional to 332.98, 459.26 and 220.92 is: 304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.98 : 459.26 = 220.92 : x
  2. Step 2: Convert to fraction form
    332.98/459.26 = 220.92/x
  3. Step 3: Cross multiply
    332.98x = 459.26 × 220.92
  4. Step 4: Simplify right side
    332.98x = 101,459.72
  5. Step 5: Solve for x
    x = 101,459.72/332.98
  6. Step 6: Final answer
    x = 304.70

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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.