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Finding the Fourth Proportional to 297,563.28, 446,344.92 and 75,947.28

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Solution

The fourth proportional to 297,563.28, 446,344.92 and 75,947.28 is: 113,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,563.28 : 446,344.92 = 75,947.28 : x
  2. Step 2: Convert to fraction form
    297,563.28/446,344.92 = 75,947.28/x
  3. Step 3: Cross multiply
    297,563.28x = 446,344.92 × 75,947.28
  4. Step 4: Simplify right side
    297,563.28x = 33,898,682,615.82
  5. Step 5: Solve for x
    x = 33,898,682,615.82/297,563.28
  6. Step 6: Final answer
    x = 113,920.92

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1.5x scale

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.