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Finding the Fourth Proportional to 756.93, 1,134 and 482.44

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Solution

The fourth proportional to 756.93, 1,134 and 482.44 is: 722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.93 : 1,134 = 482.44 : x
  2. Step 2: Convert to fraction form
    756.93/1,134 = 482.44/x
  3. Step 3: Cross multiply
    756.93x = 1,134 × 482.44
  4. Step 4: Simplify right side
    756.93x = 547,086.96
  5. Step 5: Solve for x
    x = 547,086.96/756.93
  6. Step 6: Final answer
    x = 722.77

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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.