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Finding the Fourth Proportional to 1,734.87, 2,601.98 and 624.12

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Solution

The fourth proportional to 1,734.87, 2,601.98 and 624.12 is: 936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.87 : 2,601.98 = 624.12 : x
  2. Step 2: Convert to fraction form
    1,734.87/2,601.98 = 624.12/x
  3. Step 3: Cross multiply
    1,734.87x = 2,601.98 × 624.12
  4. Step 4: Simplify right side
    1,734.87x = 1,623,947.76
  5. Step 5: Solve for x
    x = 1,623,947.76/1,734.87
  6. Step 6: Final answer
    x = 936.06

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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.