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Finding the Fourth Proportional to 736.72, 1,106.36 and 482

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Solution

The fourth proportional to 736.72, 1,106.36 and 482 is: 723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.72 : 1,106.36 = 482 : x
  2. Step 2: Convert to fraction form
    736.72/1,106.36 = 482/x
  3. Step 3: Cross multiply
    736.72x = 1,106.36 × 482
  4. Step 4: Simplify right side
    736.72x = 533,265.52
  5. Step 5: Solve for x
    x = 533,265.52/736.72
  6. Step 6: Final answer
    x = 723.84

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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.