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Finding the Fourth Proportional to 1,807,844.91, 2,494,819.13 and 992,062.23

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Solution

The fourth proportional to 1,807,844.91, 2,494,819.13 and 992,062.23 is: 1,369,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,844.91 : 2,494,819.13 = 992,062.23 : x
  2. Step 2: Convert to fraction form
    1,807,844.91/2,494,819.13 = 992,062.23/x
  3. Step 3: Cross multiply
    1,807,844.91x = 2,494,819.13 × 992,062.23
  4. Step 4: Simplify right side
    1,807,844.91x = 2,475,015,824,594.15
  5. Step 5: Solve for x
    x = 2,475,015,824,594.15/1,807,844.91
  6. Step 6: Final answer
    x = 1,369,042.12

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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.