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Finding the Fourth Proportional to 758.44, 1,136.94 and 296.52

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Solution

The fourth proportional to 758.44, 1,136.94 and 296.52 is: 444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.44 : 1,136.94 = 296.52 : x
  2. Step 2: Convert to fraction form
    758.44/1,136.94 = 296.52/x
  3. Step 3: Cross multiply
    758.44x = 1,136.94 × 296.52
  4. Step 4: Simplify right side
    758.44x = 337,125.45
  5. Step 5: Solve for x
    x = 337,125.45/758.44
  6. Step 6: Final answer
    x = 444.50

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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.