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Finding the Fourth Proportional to 283,322.52, 424,826.50 and 131,353.56

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Solution

The fourth proportional to 283,322.52, 424,826.50 and 131,353.56 is: 196,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,322.52 : 424,826.50 = 131,353.56 : x
  2. Step 2: Convert to fraction form
    283,322.52/424,826.50 = 131,353.56/x
  3. Step 3: Cross multiply
    283,322.52x = 424,826.50 × 131,353.56
  4. Step 4: Simplify right side
    283,322.52x = 55,802,473,157.34
  5. Step 5: Solve for x
    x = 55,802,473,157.34/283,322.52
  6. Step 6: Final answer
    x = 196,957.42

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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.