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Finding the Fourth Proportional to 441,471.67, 662,071.73 and 141,871.80

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Solution

The fourth proportional to 441,471.67, 662,071.73 and 141,871.80 is: 212,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,471.67 : 662,071.73 = 141,871.80 : x
  2. Step 2: Convert to fraction form
    441,471.67/662,071.73 = 141,871.80/x
  3. Step 3: Cross multiply
    441,471.67x = 662,071.73 × 141,871.80
  4. Step 4: Simplify right side
    441,471.67x = 93,929,309,837.62
  5. Step 5: Solve for x
    x = 93,929,309,837.62/441,471.67
  6. Step 6: Final answer
    x = 212,764.07

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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.