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Finding the Fourth Proportional to 1,560,109, 2,152,950.42 and 844,717

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Solution

The fourth proportional to 1,560,109, 2,152,950.42 and 844,717 is: 1,165,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,109 : 2,152,950.42 = 844,717 : x
  2. Step 2: Convert to fraction form
    1,560,109/2,152,950.42 = 844,717/x
  3. Step 3: Cross multiply
    1,560,109x = 2,152,950.42 × 844,717
  4. Step 4: Simplify right side
    1,560,109x = 1,818,633,819,931.14
  5. Step 5: Solve for x
    x = 1,818,633,819,931.14/1,560,109
  6. Step 6: Final answer
    x = 1,165,709.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.