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Finding the Fourth Proportional to 591.99, 887.99 and 331.95

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Solution

The fourth proportional to 591.99, 887.99 and 331.95 is: 497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.99 : 887.99 = 331.95 : x
  2. Step 2: Convert to fraction form
    591.99/887.99 = 331.95/x
  3. Step 3: Cross multiply
    591.99x = 887.99 × 331.95
  4. Step 4: Simplify right side
    591.99x = 294,768.28
  5. Step 5: Solve for x
    x = 294,768.28/591.99
  6. Step 6: Final answer
    x = 497.93

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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.