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Finding the Fourth Proportional to 1,549.92, 2,323.05 and 624.24

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Solution

The fourth proportional to 1,549.92, 2,323.05 and 624.24 is: 935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.92 : 2,323.05 = 624.24 : x
  2. Step 2: Convert to fraction form
    1,549.92/2,323.05 = 624.24/x
  3. Step 3: Cross multiply
    1,549.92x = 2,323.05 × 624.24
  4. Step 4: Simplify right side
    1,549.92x = 1,450,143.66
  5. Step 5: Solve for x
    x = 1,450,143.66/1,549.92
  6. Step 6: Final answer
    x = 935.63

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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.