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Finding the Fourth Proportional to 619,056.40, 928,667.22 and 244,991.92

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Solution

The fourth proportional to 619,056.40, 928,667.22 and 244,991.92 is: 367,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,056.40 : 928,667.22 = 244,991.92 : x
  2. Step 2: Convert to fraction form
    619,056.40/928,667.22 = 244,991.92/x
  3. Step 3: Cross multiply
    619,056.40x = 928,667.22 × 244,991.92
  4. Step 4: Simplify right side
    619,056.40x = 227,515,965,268.86
  5. Step 5: Solve for x
    x = 227,515,965,268.86/619,056.40
  6. Step 6: Final answer
    x = 367,520.58

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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.