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Finding the Fourth Proportional to 2,368,789.79, 3,552,389.06 and 770,977.13

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Solution

The fourth proportional to 2,368,789.79, 3,552,389.06 and 770,977.13 is: 1,156,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368,789.79 : 3,552,389.06 = 770,977.13 : x
  2. Step 2: Convert to fraction form
    2,368,789.79/3,552,389.06 = 770,977.13/x
  3. Step 3: Cross multiply
    2,368,789.79x = 3,552,389.06 × 770,977.13
  4. Step 4: Simplify right side
    2,368,789.79x = 2,738,810,700,505.37
  5. Step 5: Solve for x
    x = 2,738,810,700,505.37/2,368,789.79
  6. Step 6: Final answer
    x = 1,156,206.73

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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.