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Finding the Fourth Proportional to 3,111,372, 4,667,845.32 and 867,510

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Solution

The fourth proportional to 3,111,372, 4,667,845.32 and 867,510 is: 1,301,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,372 : 4,667,845.32 = 867,510 : x
  2. Step 2: Convert to fraction form
    3,111,372/4,667,845.32 = 867,510/x
  3. Step 3: Cross multiply
    3,111,372x = 4,667,845.32 × 867,510
  4. Step 4: Simplify right side
    3,111,372x = 4,049,402,493,553.20
  5. Step 5: Solve for x
    x = 4,049,402,493,553.20/3,111,372
  6. Step 6: Final answer
    x = 1,301,484.52

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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.