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Finding the Fourth Proportional to 892,798.24, 1,231,349 and 587,188.48

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Solution

The fourth proportional to 892,798.24, 1,231,349 and 587,188.48 is: 809,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,798.24 : 1,231,349 = 587,188.48 : x
  2. Step 2: Convert to fraction form
    892,798.24/1,231,349 = 587,188.48/x
  3. Step 3: Cross multiply
    892,798.24x = 1,231,349 × 587,188.48
  4. Step 4: Simplify right side
    892,798.24x = 723,033,947,659.52
  5. Step 5: Solve for x
    x = 723,033,947,659.52/892,798.24
  6. Step 6: Final answer
    x = 809,851.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.