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Finding the Fourth Proportional to 332.76, 459.21 and 183.39

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Solution

The fourth proportional to 332.76, 459.21 and 183.39 is: 253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.76 : 459.21 = 183.39 : x
  2. Step 2: Convert to fraction form
    332.76/459.21 = 183.39/x
  3. Step 3: Cross multiply
    332.76x = 459.21 × 183.39
  4. Step 4: Simplify right side
    332.76x = 84,214.35
  5. Step 5: Solve for x
    x = 84,214.35/332.76
  6. Step 6: Final answer
    x = 253.08

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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.