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Finding the Fourth Proportional to 1,629,908.99, 2,446,472.56 and 1,223,688.32

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Solution

The fourth proportional to 1,629,908.99, 2,446,472.56 and 1,223,688.32 is: 1,836,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,908.99 : 2,446,472.56 = 1,223,688.32 : x
  2. Step 2: Convert to fraction form
    1,629,908.99/2,446,472.56 = 1,223,688.32/x
  3. Step 3: Cross multiply
    1,629,908.99x = 2,446,472.56 × 1,223,688.32
  4. Step 4: Simplify right side
    1,629,908.99x = 2,993,719,896,872.50
  5. Step 5: Solve for x
    x = 2,993,719,896,872.50/1,629,908.99
  6. Step 6: Final answer
    x = 1,836,740.53

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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.