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Finding the Fourth Proportional to 888.46, 1,333.22 and 368.47

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Solution

The fourth proportional to 888.46, 1,333.22 and 368.47 is: 552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.46 : 1,333.22 = 368.47 : x
  2. Step 2: Convert to fraction form
    888.46/1,333.22 = 368.47/x
  3. Step 3: Cross multiply
    888.46x = 1,333.22 × 368.47
  4. Step 4: Simplify right side
    888.46x = 491,251.57
  5. Step 5: Solve for x
    x = 491,251.57/888.46
  6. Step 6: Final answer
    x = 552.92

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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.