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Finding the Fourth Proportional to 332.34, 458.60 and 199.64

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Solution

The fourth proportional to 332.34, 458.60 and 199.64 is: 275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.34 : 458.60 = 199.64 : x
  2. Step 2: Convert to fraction form
    332.34/458.60 = 199.64/x
  3. Step 3: Cross multiply
    332.34x = 458.60 × 199.64
  4. Step 4: Simplify right side
    332.34x = 91,554.90
  5. Step 5: Solve for x
    x = 91,554.90/332.34
  6. Step 6: Final answer
    x = 275.49

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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.