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Finding the Fourth Proportional to 888.34, 1,325.93 and 833.62

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Solution

The fourth proportional to 888.34, 1,325.93 and 833.62 is: 1,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.34 : 1,325.93 = 833.62 : x
  2. Step 2: Convert to fraction form
    888.34/1,325.93 = 833.62/x
  3. Step 3: Cross multiply
    888.34x = 1,325.93 × 833.62
  4. Step 4: Simplify right side
    888.34x = 1,105,315.85
  5. Step 5: Solve for x
    x = 1,105,315.85/888.34
  6. Step 6: Final answer
    x = 1,244.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.