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Finding the Fourth Proportional to 407.22, 562 and 241.46

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Solution

The fourth proportional to 407.22, 562 and 241.46 is: 333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.22 : 562 = 241.46 : x
  2. Step 2: Convert to fraction form
    407.22/562 = 241.46/x
  3. Step 3: Cross multiply
    407.22x = 562 × 241.46
  4. Step 4: Simplify right side
    407.22x = 135,700.52
  5. Step 5: Solve for x
    x = 135,700.52/407.22
  6. Step 6: Final answer
    x = 333.24

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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.