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Finding the Fourth Proportional to 297,563.78, 446,345.67 and 75,947.78

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Solution

The fourth proportional to 297,563.78, 446,345.67 and 75,947.78 is: 113,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,563.78 : 446,345.67 = 75,947.78 : x
  2. Step 2: Convert to fraction form
    297,563.78/446,345.67 = 75,947.78/x
  3. Step 3: Cross multiply
    297,563.78x = 446,345.67 × 75,947.78
  4. Step 4: Simplify right side
    297,563.78x = 33,898,962,749.11
  5. Step 5: Solve for x
    x = 33,898,962,749.11/297,563.78
  6. Step 6: Final answer
    x = 113,921.67

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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.