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Finding the Fourth Proportional to 2,649,913.11, 3,974,870.88 and 852,796.35

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Solution

The fourth proportional to 2,649,913.11, 3,974,870.88 and 852,796.35 is: 1,279,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,913.11 : 3,974,870.88 = 852,796.35 : x
  2. Step 2: Convert to fraction form
    2,649,913.11/3,974,870.88 = 852,796.35/x
  3. Step 3: Cross multiply
    2,649,913.11x = 3,974,870.88 × 852,796.35
  4. Step 4: Simplify right side
    2,649,913.11x = 3,389,755,378,185.29
  5. Step 5: Solve for x
    x = 3,389,755,378,185.29/2,649,913.11
  6. Step 6: Final answer
    x = 1,279,194.92

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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.