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Finding the Fourth Proportional to 1,168.67, 1,752.33 and 551.99

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Solution

The fourth proportional to 1,168.67, 1,752.33 and 551.99 is: 827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.67 : 1,752.33 = 551.99 : x
  2. Step 2: Convert to fraction form
    1,168.67/1,752.33 = 551.99/x
  3. Step 3: Cross multiply
    1,168.67x = 1,752.33 × 551.99
  4. Step 4: Simplify right side
    1,168.67x = 967,268.64
  5. Step 5: Solve for x
    x = 967,268.64/1,168.67
  6. Step 6: Final answer
    x = 827.67

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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.