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Finding the Fourth Proportional to 1,823,819.27, 2,736,026.21 and 561,646.90

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Solution

The fourth proportional to 1,823,819.27, 2,736,026.21 and 561,646.90 is: 842,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,819.27 : 2,736,026.21 = 561,646.90 : x
  2. Step 2: Convert to fraction form
    1,823,819.27/2,736,026.21 = 561,646.90/x
  3. Step 3: Cross multiply
    1,823,819.27x = 2,736,026.21 × 561,646.90
  4. Step 4: Simplify right side
    1,823,819.27x = 1,536,680,625,439.99
  5. Step 5: Solve for x
    x = 1,536,680,625,439.99/1,823,819.27
  6. Step 6: Final answer
    x = 842,561.90

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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.