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Finding the Fourth Proportional to 591.64, 887.61 and 226.46

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Solution

The fourth proportional to 591.64, 887.61 and 226.46 is: 339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.64 : 887.61 = 226.46 : x
  2. Step 2: Convert to fraction form
    591.64/887.61 = 226.46/x
  3. Step 3: Cross multiply
    591.64x = 887.61 × 226.46
  4. Step 4: Simplify right side
    591.64x = 201,008.16
  5. Step 5: Solve for x
    x = 201,008.16/591.64
  6. Step 6: Final answer
    x = 339.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.