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Finding the Fourth Proportional to 736.98, 1,104.44 and 554.16

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Solution

The fourth proportional to 736.98, 1,104.44 and 554.16 is: 830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.98 : 1,104.44 = 554.16 : x
  2. Step 2: Convert to fraction form
    736.98/1,104.44 = 554.16/x
  3. Step 3: Cross multiply
    736.98x = 1,104.44 × 554.16
  4. Step 4: Simplify right side
    736.98x = 612,035.78
  5. Step 5: Solve for x
    x = 612,035.78/736.98
  6. Step 6: Final answer
    x = 830.46

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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.