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Finding the Fourth Proportional to 494,478.57, 741,472.44 and 157,475.28

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Solution

The fourth proportional to 494,478.57, 741,472.44 and 157,475.28 is: 236,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,478.57 : 741,472.44 = 157,475.28 : x
  2. Step 2: Convert to fraction form
    494,478.57/741,472.44 = 157,475.28/x
  3. Step 3: Cross multiply
    494,478.57x = 741,472.44 × 157,475.28
  4. Step 4: Simplify right side
    494,478.57x = 116,763,580,101.28
  5. Step 5: Solve for x
    x = 116,763,580,101.28/494,478.57
  6. Step 6: Final answer
    x = 236,134.76

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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.