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Finding the Fourth Proportional to 408,846.79, 564,202.82 and 227,558.77

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Solution

The fourth proportional to 408,846.79, 564,202.82 and 227,558.77 is: 314,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,846.79 : 564,202.82 = 227,558.77 : x
  2. Step 2: Convert to fraction form
    408,846.79/564,202.82 = 227,558.77/x
  3. Step 3: Cross multiply
    408,846.79x = 564,202.82 × 227,558.77
  4. Step 4: Simplify right side
    408,846.79x = 128,389,299,749.73
  5. Step 5: Solve for x
    x = 128,389,299,749.73/408,846.79
  6. Step 6: Final answer
    x = 314,027.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.