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Finding the Fourth Proportional to 253,958.43, 350,498.33 and 157,193.34

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Solution

The fourth proportional to 253,958.43, 350,498.33 and 157,193.34 is: 216,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,958.43 : 350,498.33 = 157,193.34 : x
  2. Step 2: Convert to fraction form
    253,958.43/350,498.33 = 157,193.34/x
  3. Step 3: Cross multiply
    253,958.43x = 350,498.33 × 157,193.34
  4. Step 4: Simplify right side
    253,958.43x = 55,096,003,157.12
  5. Step 5: Solve for x
    x = 55,096,003,157.12/253,958.43
  6. Step 6: Final answer
    x = 216,948.90

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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.