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Finding the Fourth Proportional to 494,373.88, 741,529.38 and 157,656.07

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Solution

The fourth proportional to 494,373.88, 741,529.38 and 157,656.07 is: 236,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,373.88 : 741,529.38 = 157,656.07 : x
  2. Step 2: Convert to fraction form
    494,373.88/741,529.38 = 157,656.07/x
  3. Step 3: Cross multiply
    494,373.88x = 741,529.38 × 157,656.07
  4. Step 4: Simplify right side
    494,373.88x = 116,906,609,358.46
  5. Step 5: Solve for x
    x = 116,906,609,358.46/494,373.88
  6. Step 6: Final answer
    x = 236,474.08

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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.