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Finding the Fourth Proportional to 733.57, 1,095.20 and 559.31

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Solution

The fourth proportional to 733.57, 1,095.20 and 559.31 is: 835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.57 : 1,095.20 = 559.31 : x
  2. Step 2: Convert to fraction form
    733.57/1,095.20 = 559.31/x
  3. Step 3: Cross multiply
    733.57x = 1,095.20 × 559.31
  4. Step 4: Simplify right side
    733.57x = 612,550.14
  5. Step 5: Solve for x
    x = 612,550.14/733.57
  6. Step 6: Final answer
    x = 835.03

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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.