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Finding the Fourth Proportional to 1,549.70, 2,324.66 and 625.28

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Solution

The fourth proportional to 1,549.70, 2,324.66 and 625.28 is: 937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.70 : 2,324.66 = 625.28 : x
  2. Step 2: Convert to fraction form
    1,549.70/2,324.66 = 625.28/x
  3. Step 3: Cross multiply
    1,549.70x = 2,324.66 × 625.28
  4. Step 4: Simplify right side
    1,549.70x = 1,453,563.40
  5. Step 5: Solve for x
    x = 1,453,563.40/1,549.70
  6. Step 6: Final answer
    x = 937.96

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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.