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Finding the Fourth Proportional to 1,865,826.43, 2,798,604.66 and 586,799.78

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Solution

The fourth proportional to 1,865,826.43, 2,798,604.66 and 586,799.78 is: 880,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,826.43 : 2,798,604.66 = 586,799.78 : x
  2. Step 2: Convert to fraction form
    1,865,826.43/2,798,604.66 = 586,799.78/x
  3. Step 3: Cross multiply
    1,865,826.43x = 2,798,604.66 × 586,799.78
  4. Step 4: Simplify right side
    1,865,826.43x = 1,642,220,598,794.98
  5. Step 5: Solve for x
    x = 1,642,220,598,794.98/1,865,826.43
  6. Step 6: Final answer
    x = 880,157.22

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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.