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Finding the Fourth Proportional to 332.84, 459.61 and 208.71

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Solution

The fourth proportional to 332.84, 459.61 and 208.71 is: 288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.84 : 459.61 = 208.71 : x
  2. Step 2: Convert to fraction form
    332.84/459.61 = 208.71/x
  3. Step 3: Cross multiply
    332.84x = 459.61 × 208.71
  4. Step 4: Simplify right side
    332.84x = 95,924.16
  5. Step 5: Solve for x
    x = 95,924.16/332.84
  6. Step 6: Final answer
    x = 288.20

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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.