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Finding the Fourth Proportional to 1,104.33, 1,656.31 and 363.95

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Solution

The fourth proportional to 1,104.33, 1,656.31 and 363.95 is: 545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.33 : 1,656.31 = 363.95 : x
  2. Step 2: Convert to fraction form
    1,104.33/1,656.31 = 363.95/x
  3. Step 3: Cross multiply
    1,104.33x = 1,656.31 × 363.95
  4. Step 4: Simplify right side
    1,104.33x = 602,814.02
  5. Step 5: Solve for x
    x = 602,814.02/1,104.33
  6. Step 6: Final answer
    x = 545.86

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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.