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Finding the Fourth Proportional to 332.36, 458.77 and 207.95

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Solution

The fourth proportional to 332.36, 458.77 and 207.95 is: 287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.36 : 458.77 = 207.95 : x
  2. Step 2: Convert to fraction form
    332.36/458.77 = 207.95/x
  3. Step 3: Cross multiply
    332.36x = 458.77 × 207.95
  4. Step 4: Simplify right side
    332.36x = 95,398.80
  5. Step 5: Solve for x
    x = 95,398.80/332.36
  6. Step 6: Final answer
    x = 287.03

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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.