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Finding the Fourth Proportional to 331,901.67, 458,096.82 and 211,019.34

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Solution

The fourth proportional to 331,901.67, 458,096.82 and 211,019.34 is: 291,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,901.67 : 458,096.82 = 211,019.34 : x
  2. Step 2: Convert to fraction form
    331,901.67/458,096.82 = 211,019.34/x
  3. Step 3: Cross multiply
    331,901.67x = 458,096.82 × 211,019.34
  4. Step 4: Simplify right side
    331,901.67x = 96,667,288,612.50
  5. Step 5: Solve for x
    x = 96,667,288,612.50/331,901.67
  6. Step 6: Final answer
    x = 291,252.79

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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.