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Finding the Fourth Proportional to 311,833.80, 430,330.59 and 168,593.84

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Solution

The fourth proportional to 311,833.80, 430,330.59 and 168,593.84 is: 232,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,833.80 : 430,330.59 = 168,593.84 : x
  2. Step 2: Convert to fraction form
    311,833.80/430,330.59 = 168,593.84/x
  3. Step 3: Cross multiply
    311,833.80x = 430,330.59 × 168,593.84
  4. Step 4: Simplify right side
    311,833.80x = 72,551,086,637.57
  5. Step 5: Solve for x
    x = 72,551,086,637.57/311,833.80
  6. Step 6: Final answer
    x = 232,659.47

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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.