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Finding the Fourth Proportional to 591.84, 887.49 and 331.83

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Solution

The fourth proportional to 591.84, 887.49 and 331.83 is: 497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.84 : 887.49 = 331.83 : x
  2. Step 2: Convert to fraction form
    591.84/887.49 = 331.83/x
  3. Step 3: Cross multiply
    591.84x = 887.49 × 331.83
  4. Step 4: Simplify right side
    591.84x = 294,495.81
  5. Step 5: Solve for x
    x = 294,495.81/591.84
  6. Step 6: Final answer
    x = 497.59

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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.