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Finding the Fourth Proportional to 311,833.56, 430,330.20 and 168,593.57

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Solution

The fourth proportional to 311,833.56, 430,330.20 and 168,593.57 is: 232,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,833.56 : 430,330.20 = 168,593.57 : x
  2. Step 2: Convert to fraction form
    311,833.56/430,330.20 = 168,593.57/x
  3. Step 3: Cross multiply
    311,833.56x = 430,330.20 × 168,593.57
  4. Step 4: Simplify right side
    311,833.56x = 72,550,902,545.16
  5. Step 5: Solve for x
    x = 72,550,902,545.16/311,833.56
  6. Step 6: Final answer
    x = 232,659.06

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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.