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Finding the Fourth Proportional to 407.67, 562.50 and 241.86

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Solution

The fourth proportional to 407.67, 562.50 and 241.86 is: 333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.67 : 562.50 = 241.86 : x
  2. Step 2: Convert to fraction form
    407.67/562.50 = 241.86/x
  3. Step 3: Cross multiply
    407.67x = 562.50 × 241.86
  4. Step 4: Simplify right side
    407.67x = 136,046.25
  5. Step 5: Solve for x
    x = 136,046.25/407.67
  6. Step 6: Final answer
    x = 333.72

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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.