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Finding the Fourth Proportional to 332.93, 459.40 and 201.89

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Solution

The fourth proportional to 332.93, 459.40 and 201.89 is: 278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.93 : 459.40 = 201.89 : x
  2. Step 2: Convert to fraction form
    332.93/459.40 = 201.89/x
  3. Step 3: Cross multiply
    332.93x = 459.40 × 201.89
  4. Step 4: Simplify right side
    332.93x = 92,748.27
  5. Step 5: Solve for x
    x = 92,748.27/332.93
  6. Step 6: Final answer
    x = 278.58

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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.