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Finding the Fourth Proportional to 736.77, 1,104.41 and 325.83

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Solution

The fourth proportional to 736.77, 1,104.41 and 325.83 is: 488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.77 : 1,104.41 = 325.83 : x
  2. Step 2: Convert to fraction form
    736.77/1,104.41 = 325.83/x
  3. Step 3: Cross multiply
    736.77x = 1,104.41 × 325.83
  4. Step 4: Simplify right side
    736.77x = 359,848.28
  5. Step 5: Solve for x
    x = 359,848.28/736.77
  6. Step 6: Final answer
    x = 488.41

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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.