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Finding the Fourth Proportional to 733.46, 1,098.58 and 528.44

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Solution

The fourth proportional to 733.46, 1,098.58 and 528.44 is: 791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.46 : 1,098.58 = 528.44 : x
  2. Step 2: Convert to fraction form
    733.46/1,098.58 = 528.44/x
  3. Step 3: Cross multiply
    733.46x = 1,098.58 × 528.44
  4. Step 4: Simplify right side
    733.46x = 580,533.62
  5. Step 5: Solve for x
    x = 580,533.62/733.46
  6. Step 6: Final answer
    x = 791.50

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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.