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Finding the Fourth Proportional to 311,834.56, 430,331.58 and 168,594.56

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Solution

The fourth proportional to 311,834.56, 430,331.58 and 168,594.56 is: 232,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,834.56 : 430,331.58 = 168,594.56 : x
  2. Step 2: Convert to fraction form
    311,834.56/430,331.58 = 168,594.56/x
  3. Step 3: Cross multiply
    311,834.56x = 430,331.58 × 168,594.56
  4. Step 4: Simplify right side
    311,834.56x = 72,551,564,460.03
  5. Step 5: Solve for x
    x = 72,551,564,460.03/311,834.56
  6. Step 6: Final answer
    x = 232,660.44

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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.