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Finding the Fourth Proportional to 407.58, 562.36 and 241.83

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Solution

The fourth proportional to 407.58, 562.36 and 241.83 is: 333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.58 : 562.36 = 241.83 : x
  2. Step 2: Convert to fraction form
    407.58/562.36 = 241.83/x
  3. Step 3: Cross multiply
    407.58x = 562.36 × 241.83
  4. Step 4: Simplify right side
    407.58x = 135,995.52
  5. Step 5: Solve for x
    x = 135,995.52/407.58
  6. Step 6: Final answer
    x = 333.67

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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.