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Finding the Fourth Proportional to 494,097.52, 741,190.05 and 139,114.62

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Solution

The fourth proportional to 494,097.52, 741,190.05 and 139,114.62 is: 208,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,097.52 : 741,190.05 = 139,114.62 : x
  2. Step 2: Convert to fraction form
    494,097.52/741,190.05 = 139,114.62/x
  3. Step 3: Cross multiply
    494,097.52x = 741,190.05 × 139,114.62
  4. Step 4: Simplify right side
    494,097.52x = 103,110,372,153.53
  5. Step 5: Solve for x
    x = 103,110,372,153.53/494,097.52
  6. Step 6: Final answer
    x = 208,684.25

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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.