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Finding the Fourth Proportional to 591.96, 887.32 and 331.58

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Solution

The fourth proportional to 591.96, 887.32 and 331.58 is: 497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.96 : 887.32 = 331.58 : x
  2. Step 2: Convert to fraction form
    591.96/887.32 = 331.58/x
  3. Step 3: Cross multiply
    591.96x = 887.32 × 331.58
  4. Step 4: Simplify right side
    591.96x = 294,216.87
  5. Step 5: Solve for x
    x = 294,216.87/591.96
  6. Step 6: Final answer
    x = 497.02

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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.