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Finding the Fourth Proportional to 2,698,929.66, 4,049,104.23 and 969,974.13

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Solution

The fourth proportional to 2,698,929.66, 4,049,104.23 and 969,974.13 is: 1,455,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,929.66 : 4,049,104.23 = 969,974.13 : x
  2. Step 2: Convert to fraction form
    2,698,929.66/4,049,104.23 = 969,974.13/x
  3. Step 3: Cross multiply
    2,698,929.66x = 4,049,104.23 × 969,974.13
  4. Step 4: Simplify right side
    2,698,929.66x = 3,927,526,337,589.43
  5. Step 5: Solve for x
    x = 3,927,526,337,589.43/2,698,929.66
  6. Step 6: Final answer
    x = 1,455,216.27

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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.