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Finding the Fourth Proportional to 546,793.39, 820,196.57 and 191,817.37

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Solution

The fourth proportional to 546,793.39, 820,196.57 and 191,817.37 is: 287,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,793.39 : 820,196.57 = 191,817.37 : x
  2. Step 2: Convert to fraction form
    546,793.39/820,196.57 = 191,817.37/x
  3. Step 3: Cross multiply
    546,793.39x = 820,196.57 × 191,817.37
  4. Step 4: Simplify right side
    546,793.39x = 157,327,948,940.42
  5. Step 5: Solve for x
    x = 157,327,948,940.42/546,793.39
  6. Step 6: Final answer
    x = 287,728.33

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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.