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Finding the Fourth Proportional to 327,998.92, 492,011.34 and 91,362.28

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Solution

The fourth proportional to 327,998.92, 492,011.34 and 91,362.28 is: 137,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,998.92 : 492,011.34 = 91,362.28 : x
  2. Step 2: Convert to fraction form
    327,998.92/492,011.34 = 91,362.28/x
  3. Step 3: Cross multiply
    327,998.92x = 492,011.34 × 91,362.28
  4. Step 4: Simplify right side
    327,998.92x = 44,951,277,808.26
  5. Step 5: Solve for x
    x = 44,951,277,808.26/327,998.92
  6. Step 6: Final answer
    x = 137,047.03

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1.5x scale

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.