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Finding the Fourth Proportional to 3,801,886, 5,702,779.78 and 923,276.42

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Solution

The fourth proportional to 3,801,886, 5,702,779.78 and 923,276.42 is: 1,384,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801,886 : 5,702,779.78 = 923,276.42 : x
  2. Step 2: Convert to fraction form
    3,801,886/5,702,779.78 = 923,276.42/x
  3. Step 3: Cross multiply
    3,801,886x = 5,702,779.78 × 923,276.42
  4. Step 4: Simplify right side
    3,801,886x = 5,265,242,099,326.79
  5. Step 5: Solve for x
    x = 5,265,242,099,326.79/3,801,886
  6. Step 6: Final answer
    x = 1,384,902.68

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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.