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Finding the Fourth Proportional to 311,532.73, 429,914.62 and 168,292.33

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Solution

The fourth proportional to 311,532.73, 429,914.62 and 168,292.33 is: 232,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,532.73 : 429,914.62 = 168,292.33 : x
  2. Step 2: Convert to fraction form
    311,532.73/429,914.62 = 168,292.33/x
  3. Step 3: Cross multiply
    311,532.73x = 429,914.62 × 168,292.33
  4. Step 4: Simplify right side
    311,532.73x = 72,351,332,236.44
  5. Step 5: Solve for x
    x = 72,351,332,236.44/311,532.73
  6. Step 6: Final answer
    x = 232,243.12

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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.