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Finding the Fourth Proportional to 297,812.80, 447,064.80 and 179,617.60

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Solution

The fourth proportional to 297,812.80, 447,064.80 and 179,617.60 is: 269,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,812.80 : 447,064.80 = 179,617.60 : x
  2. Step 2: Convert to fraction form
    297,812.80/447,064.80 = 179,617.60/x
  3. Step 3: Cross multiply
    297,812.80x = 447,064.80 × 179,617.60
  4. Step 4: Simplify right side
    297,812.80x = 80,300,706,420.48
  5. Step 5: Solve for x
    x = 80,300,706,420.48/297,812.80
  6. Step 6: Final answer
    x = 269,634.84

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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.