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Finding the Fourth Proportional to 2,667,169, 4,001,105.04 and 869,422.60

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Solution

The fourth proportional to 2,667,169, 4,001,105.04 and 869,422.60 is: 1,304,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,169 : 4,001,105.04 = 869,422.60 : x
  2. Step 2: Convert to fraction form
    2,667,169/4,001,105.04 = 869,422.60/x
  3. Step 3: Cross multiply
    2,667,169x = 4,001,105.04 × 869,422.60
  4. Step 4: Simplify right side
    2,667,169x = 3,478,651,146,749.90
  5. Step 5: Solve for x
    x = 3,478,651,146,749.90/2,667,169
  6. Step 6: Final answer
    x = 1,304,248.49

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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.