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Finding the Fourth Proportional to 332.71, 459.24 and 206.74

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Solution

The fourth proportional to 332.71, 459.24 and 206.74 is: 285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.71 : 459.24 = 206.74 : x
  2. Step 2: Convert to fraction form
    332.71/459.24 = 206.74/x
  3. Step 3: Cross multiply
    332.71x = 459.24 × 206.74
  4. Step 4: Simplify right side
    332.71x = 94,943.28
  5. Step 5: Solve for x
    x = 94,943.28/332.71
  6. Step 6: Final answer
    x = 285.36

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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.