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Finding the Fourth Proportional to 1,834,581.70, 2,751,872.55 and 984,276.10

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Solution

The fourth proportional to 1,834,581.70, 2,751,872.55 and 984,276.10 is: 1,476,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,581.70 : 2,751,872.55 = 984,276.10 : x
  2. Step 2: Convert to fraction form
    1,834,581.70/2,751,872.55 = 984,276.10/x
  3. Step 3: Cross multiply
    1,834,581.70x = 2,751,872.55 × 984,276.10
  4. Step 4: Simplify right side
    1,834,581.70x = 2,708,602,381,211.05
  5. Step 5: Solve for x
    x = 2,708,602,381,211.05/1,834,581.70
  6. Step 6: Final answer
    x = 1,476,414.15

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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.