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Finding the Fourth Proportional to 1,895,238.84, 2,855,645.16 and 1,565,662.80

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Solution

The fourth proportional to 1,895,238.84, 2,855,645.16 and 1,565,662.80 is: 2,359,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,238.84 : 2,855,645.16 = 1,565,662.80 : x
  2. Step 2: Convert to fraction form
    1,895,238.84/2,855,645.16 = 1,565,662.80/x
  3. Step 3: Cross multiply
    1,895,238.84x = 2,855,645.16 × 1,565,662.80
  4. Step 4: Simplify right side
    1,895,238.84x = 4,470,977,397,012.05
  5. Step 5: Solve for x
    x = 4,470,977,397,012.05/1,895,238.84
  6. Step 6: Final answer
    x = 2,359,057.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.