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Finding the Fourth Proportional to 704.33, 1,056.50 and 550.03

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Solution

The fourth proportional to 704.33, 1,056.50 and 550.03 is: 825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.33 : 1,056.50 = 550.03 : x
  2. Step 2: Convert to fraction form
    704.33/1,056.50 = 550.03/x
  3. Step 3: Cross multiply
    704.33x = 1,056.50 × 550.03
  4. Step 4: Simplify right side
    704.33x = 581,098.66
  5. Step 5: Solve for x
    x = 581,098.66/704.33
  6. Step 6: Final answer
    x = 825.04

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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.