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Finding the Fourth Proportional to 377,654.40, 566,481.60 and 141,015.54

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Solution

The fourth proportional to 377,654.40, 566,481.60 and 141,015.54 is: 211,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,654.40 : 566,481.60 = 141,015.54 : x
  2. Step 2: Convert to fraction form
    377,654.40/566,481.60 = 141,015.54/x
  3. Step 3: Cross multiply
    377,654.40x = 566,481.60 × 141,015.54
  4. Step 4: Simplify right side
    377,654.40x = 79,882,708,724.06
  5. Step 5: Solve for x
    x = 79,882,708,724.06/377,654.40
  6. Step 6: Final answer
    x = 211,523.31

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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.