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Finding the Fourth Proportional to 297,352.80, 446,029.20 and 247,489.20

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Solution

The fourth proportional to 297,352.80, 446,029.20 and 247,489.20 is: 371,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,352.80 : 446,029.20 = 247,489.20 : x
  2. Step 2: Convert to fraction form
    297,352.80/446,029.20 = 247,489.20/x
  3. Step 3: Cross multiply
    297,352.80x = 446,029.20 × 247,489.20
  4. Step 4: Simplify right side
    297,352.80x = 110,387,409,884.64
  5. Step 5: Solve for x
    x = 110,387,409,884.64/297,352.80
  6. Step 6: Final answer
    x = 371,233.80

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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.