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Finding the Fourth Proportional to 6,266,391, 8,647,672.38 and 3,404,823

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Solution

The fourth proportional to 6,266,391, 8,647,672.38 and 3,404,823 is: 4,698,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266,391 : 8,647,672.38 = 3,404,823 : x
  2. Step 2: Convert to fraction form
    6,266,391/8,647,672.38 = 3,404,823/x
  3. Step 3: Cross multiply
    6,266,391x = 8,647,672.38 × 3,404,823
  4. Step 4: Simplify right side
    6,266,391x = 29,443,793,815,888.74
  5. Step 5: Solve for x
    x = 29,443,793,815,888.74/6,266,391
  6. Step 6: Final answer
    x = 4,698,684.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.