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Finding the Fourth Proportional to 591.92, 887.84 and 551.84

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Solution

The fourth proportional to 591.92, 887.84 and 551.84 is: 827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.92 : 887.84 = 551.84 : x
  2. Step 2: Convert to fraction form
    591.92/887.84 = 551.84/x
  3. Step 3: Cross multiply
    591.92x = 887.84 × 551.84
  4. Step 4: Simplify right side
    591.92x = 489,945.63
  5. Step 5: Solve for x
    x = 489,945.63/591.92
  6. Step 6: Final answer
    x = 827.72

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