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Finding the Fourth Proportional to 547,452.73, 820,928.87 and 168,241.35

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Solution

The fourth proportional to 547,452.73, 820,928.87 and 168,241.35 is: 252,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,452.73 : 820,928.87 = 168,241.35 : x
  2. Step 2: Convert to fraction form
    547,452.73/820,928.87 = 168,241.35/x
  3. Step 3: Cross multiply
    547,452.73x = 820,928.87 × 168,241.35
  4. Step 4: Simplify right side
    547,452.73x = 138,114,185,157.31
  5. Step 5: Solve for x
    x = 138,114,185,157.31/547,452.73
  6. Step 6: Final answer
    x = 252,285.14

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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.