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Finding the Fourth Proportional to 884.61, 1,325.77 and 364.02

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Solution

The fourth proportional to 884.61, 1,325.77 and 364.02 is: 545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.61 : 1,325.77 = 364.02 : x
  2. Step 2: Convert to fraction form
    884.61/1,325.77 = 364.02/x
  3. Step 3: Cross multiply
    884.61x = 1,325.77 × 364.02
  4. Step 4: Simplify right side
    884.61x = 482,606.80
  5. Step 5: Solve for x
    x = 482,606.80/884.61
  6. Step 6: Final answer
    x = 545.56

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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.