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Finding the Fourth Proportional to 748.54, 1,033.02 and 416.98

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Solution

The fourth proportional to 748.54, 1,033.02 and 416.98 is: 575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748.54 : 1,033.02 = 416.98 : x
  2. Step 2: Convert to fraction form
    748.54/1,033.02 = 416.98/x
  3. Step 3: Cross multiply
    748.54x = 1,033.02 × 416.98
  4. Step 4: Simplify right side
    748.54x = 430,748.68
  5. Step 5: Solve for x
    x = 430,748.68/748.54
  6. Step 6: Final answer
    x = 575.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.