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Finding the Fourth Proportional to 1,863,188.77, 2,792,789.91 and 963,724.93

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Solution

The fourth proportional to 1,863,188.77, 2,792,789.91 and 963,724.93 is: 1,444,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,188.77 : 2,792,789.91 = 963,724.93 : x
  2. Step 2: Convert to fraction form
    1,863,188.77/2,792,789.91 = 963,724.93/x
  3. Step 3: Cross multiply
    1,863,188.77x = 2,792,789.91 × 963,724.93
  4. Step 4: Simplify right side
    1,863,188.77x = 2,691,481,260,519.46
  5. Step 5: Solve for x
    x = 2,691,481,260,519.46/1,863,188.77
  6. Step 6: Final answer
    x = 1,444,556.40

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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.