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Finding the Fourth Proportional to 253,889.38, 350,355.18 and 146,493.88

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Solution

The fourth proportional to 253,889.38, 350,355.18 and 146,493.88 is: 202,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,889.38 : 350,355.18 = 146,493.88 : x
  2. Step 2: Convert to fraction form
    253,889.38/350,355.18 = 146,493.88/x
  3. Step 3: Cross multiply
    253,889.38x = 350,355.18 × 146,493.88
  4. Step 4: Simplify right side
    253,889.38x = 51,324,889,696.30
  5. Step 5: Solve for x
    x = 51,324,889,696.30/253,889.38
  6. Step 6: Final answer
    x = 202,154.54

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1.5x scale

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.