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Finding the Fourth Proportional to 494,426.75, 741,602.86 and 157,453.79

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Solution

The fourth proportional to 494,426.75, 741,602.86 and 157,453.79 is: 236,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,426.75 : 741,602.86 = 157,453.79 : x
  2. Step 2: Convert to fraction form
    494,426.75/741,602.86 = 157,453.79/x
  3. Step 3: Cross multiply
    494,426.75x = 741,602.86 × 157,453.79
  4. Step 4: Simplify right side
    494,426.75x = 116,768,180,981.84
  5. Step 5: Solve for x
    x = 116,768,180,981.84/494,426.75
  6. Step 6: Final answer
    x = 236,168.82

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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.