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Finding the Fourth Proportional to 494,191.72, 741,342.03 and 157,153.51

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Solution

The fourth proportional to 494,191.72, 741,342.03 and 157,153.51 is: 235,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,191.72 : 741,342.03 = 157,153.51 : x
  2. Step 2: Convert to fraction form
    494,191.72/741,342.03 = 157,153.51/x
  3. Step 3: Cross multiply
    494,191.72x = 741,342.03 × 157,153.51
  4. Step 4: Simplify right side
    494,191.72x = 116,504,502,125.03
  5. Step 5: Solve for x
    x = 116,504,502,125.03/494,191.72
  6. Step 6: Final answer
    x = 235,747.58

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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.