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Finding the Fourth Proportional to 736.07, 1,103.31 and 552.92

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Solution

The fourth proportional to 736.07, 1,103.31 and 552.92 is: 828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.07 : 1,103.31 = 552.92 : x
  2. Step 2: Convert to fraction form
    736.07/1,103.31 = 552.92/x
  3. Step 3: Cross multiply
    736.07x = 1,103.31 × 552.92
  4. Step 4: Simplify right side
    736.07x = 610,036.65
  5. Step 5: Solve for x
    x = 610,036.65/736.07
  6. Step 6: Final answer
    x = 828.78

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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.