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Finding the Fourth Proportional to 2,667,508, 4,001,268.48 and 672,964

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Solution

The fourth proportional to 2,667,508, 4,001,268.48 and 672,964 is: 1,009,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,508 : 4,001,268.48 = 672,964 : x
  2. Step 2: Convert to fraction form
    2,667,508/4,001,268.48 = 672,964/x
  3. Step 3: Cross multiply
    2,667,508x = 4,001,268.48 × 672,964
  4. Step 4: Simplify right side
    2,667,508x = 2,692,709,641,374.72
  5. Step 5: Solve for x
    x = 2,692,709,641,374.72/2,667,508
  6. Step 6: Final answer
    x = 1,009,447.63

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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.