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Finding the Fourth Proportional to 1,834,781.94, 2,747,982.78 and 875,912.04

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Solution

The fourth proportional to 1,834,781.94, 2,747,982.78 and 875,912.04 is: 1,311,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,781.94 : 2,747,982.78 = 875,912.04 : x
  2. Step 2: Convert to fraction form
    1,834,781.94/2,747,982.78 = 875,912.04/x
  3. Step 3: Cross multiply
    1,834,781.94x = 2,747,982.78 × 875,912.04
  4. Step 4: Simplify right side
    1,834,781.94x = 2,406,991,202,714.67
  5. Step 5: Solve for x
    x = 2,406,991,202,714.67/1,834,781.94
  6. Step 6: Final answer
    x = 1,311,867.72

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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.