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Finding the Fourth Proportional to 1,974,616.39, 2,961,337.69 and 837,361.81

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Solution

The fourth proportional to 1,974,616.39, 2,961,337.69 and 837,361.81 is: 1,255,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,616.39 : 2,961,337.69 = 837,361.81 : x
  2. Step 2: Convert to fraction form
    1,974,616.39/2,961,337.69 = 837,361.81/x
  3. Step 3: Cross multiply
    1,974,616.39x = 2,961,337.69 × 837,361.81
  4. Step 4: Simplify right side
    1,974,616.39x = 2,479,711,088,119.62
  5. Step 5: Solve for x
    x = 2,479,711,088,119.62/1,974,616.39
  6. Step 6: Final answer
    x = 1,255,793.83

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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.