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Finding the Fourth Proportional to 244,991.60, 367,487.40 and 205,625.60

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Solution

The fourth proportional to 244,991.60, 367,487.40 and 205,625.60 is: 308,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,991.60 : 367,487.40 = 205,625.60 : x
  2. Step 2: Convert to fraction form
    244,991.60/367,487.40 = 205,625.60/x
  3. Step 3: Cross multiply
    244,991.60x = 367,487.40 × 205,625.60
  4. Step 4: Simplify right side
    244,991.60x = 75,564,817,117.44
  5. Step 5: Solve for x
    x = 75,564,817,117.44/244,991.60
  6. Step 6: Final answer
    x = 308,438.40

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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.