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Finding the Fourth Proportional to 884.54, 1,326.66 and 363.98

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Solution

The fourth proportional to 884.54, 1,326.66 and 363.98 is: 545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.54 : 1,326.66 = 363.98 : x
  2. Step 2: Convert to fraction form
    884.54/1,326.66 = 363.98/x
  3. Step 3: Cross multiply
    884.54x = 1,326.66 × 363.98
  4. Step 4: Simplify right side
    884.54x = 482,877.71
  5. Step 5: Solve for x
    x = 482,877.71/884.54
  6. Step 6: Final answer
    x = 545.91

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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.