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Finding the Fourth Proportional to 3,111,446, 4,667,956.32 and 867,584

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Solution

The fourth proportional to 3,111,446, 4,667,956.32 and 867,584 is: 1,301,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,446 : 4,667,956.32 = 867,584 : x
  2. Step 2: Convert to fraction form
    3,111,446/4,667,956.32 = 867,584/x
  3. Step 3: Cross multiply
    3,111,446x = 4,667,956.32 × 867,584
  4. Step 4: Simplify right side
    3,111,446x = 4,049,844,215,930.88
  5. Step 5: Solve for x
    x = 4,049,844,215,930.88/3,111,446
  6. Step 6: Final answer
    x = 1,301,595.53

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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.