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Finding the Fourth Proportional to 550,857.60, 826,191.42 and 146,052.68

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Solution

The fourth proportional to 550,857.60, 826,191.42 and 146,052.68 is: 219,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,857.60 : 826,191.42 = 146,052.68 : x
  2. Step 2: Convert to fraction form
    550,857.60/826,191.42 = 146,052.68/x
  3. Step 3: Cross multiply
    550,857.60x = 826,191.42 × 146,052.68
  4. Step 4: Simplify right side
    550,857.60x = 120,667,471,084.01
  5. Step 5: Solve for x
    x = 120,667,471,084.01/550,857.60
  6. Step 6: Final answer
    x = 219,053.84

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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.