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Finding the Fourth Proportional to 1,748,956.38, 2,624,929.92 and 684,745.77

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Solution

The fourth proportional to 1,748,956.38, 2,624,929.92 and 684,745.77 is: 1,027,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,956.38 : 2,624,929.92 = 684,745.77 : x
  2. Step 2: Convert to fraction form
    1,748,956.38/2,624,929.92 = 684,745.77/x
  3. Step 3: Cross multiply
    1,748,956.38x = 2,624,929.92 × 684,745.77
  4. Step 4: Simplify right side
    1,748,956.38x = 1,797,409,659,266.44
  5. Step 5: Solve for x
    x = 1,797,409,659,266.44/1,748,956.38
  6. Step 6: Final answer
    x = 1,027,704.11

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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.