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Finding the Fourth Proportional to 332.66, 458.88 and 270.56

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Solution

The fourth proportional to 332.66, 458.88 and 270.56 is: 373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.66 : 458.88 = 270.56 : x
  2. Step 2: Convert to fraction form
    332.66/458.88 = 270.56/x
  3. Step 3: Cross multiply
    332.66x = 458.88 × 270.56
  4. Step 4: Simplify right side
    332.66x = 124,154.57
  5. Step 5: Solve for x
    x = 124,154.57/332.66
  6. Step 6: Final answer
    x = 373.22

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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.