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Finding the Fourth Proportional to 872,961.11, 1,309,497 and 273,945.92

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Solution

The fourth proportional to 872,961.11, 1,309,497 and 273,945.92 is: 410,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,961.11 : 1,309,497 = 273,945.92 : x
  2. Step 2: Convert to fraction form
    872,961.11/1,309,497 = 273,945.92/x
  3. Step 3: Cross multiply
    872,961.11x = 1,309,497 × 273,945.92
  4. Step 4: Simplify right side
    872,961.11x = 358,731,360,402.24
  5. Step 5: Solve for x
    x = 358,731,360,402.24/872,961.11
  6. Step 6: Final answer
    x = 410,936.24

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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.