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Finding the Fourth Proportional to 2,797,718.74, 4,196,578.11 and 2,797,718.74

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Solution

The fourth proportional to 2,797,718.74, 4,196,578.11 and 2,797,718.74 is: 4,196,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,718.74 : 4,196,578.11 = 2,797,718.74 : x
  2. Step 2: Convert to fraction form
    2,797,718.74/4,196,578.11 = 2,797,718.74/x
  3. Step 3: Cross multiply
    2,797,718.74x = 4,196,578.11 × 2,797,718.74
  4. Step 4: Simplify right side
    2,797,718.74x = 11,740,845,201,237.89
  5. Step 5: Solve for x
    x = 11,740,845,201,237.89/2,797,718.74
  6. Step 6: Final answer
    x = 4,196,578.11

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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.