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Finding the Fourth Proportional to 485,832.89, 670,450.39 and 270,967.41

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Solution

The fourth proportional to 485,832.89, 670,450.39 and 270,967.41 is: 373,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,832.89 : 670,450.39 = 270,967.41 : x
  2. Step 2: Convert to fraction form
    485,832.89/670,450.39 = 270,967.41/x
  3. Step 3: Cross multiply
    485,832.89x = 670,450.39 × 270,967.41
  4. Step 4: Simplify right side
    485,832.89x = 181,670,205,711.79
  5. Step 5: Solve for x
    x = 181,670,205,711.79/485,832.89
  6. Step 6: Final answer
    x = 373,935.58

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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.