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Finding the Fourth Proportional to 1,033.18, 1,549.38 and 416.73

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Solution

The fourth proportional to 1,033.18, 1,549.38 and 416.73 is: 624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.18 : 1,549.38 = 416.73 : x
  2. Step 2: Convert to fraction form
    1,033.18/1,549.38 = 416.73/x
  3. Step 3: Cross multiply
    1,033.18x = 1,549.38 × 416.73
  4. Step 4: Simplify right side
    1,033.18x = 645,673.13
  5. Step 5: Solve for x
    x = 645,673.13/1,033.18
  6. Step 6: Final answer
    x = 624.94

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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.