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Finding the Fourth Proportional to 494,262.12, 741,480.63 and 186,507.48

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Solution

The fourth proportional to 494,262.12, 741,480.63 and 186,507.48 is: 279,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,262.12 : 741,480.63 = 186,507.48 : x
  2. Step 2: Convert to fraction form
    494,262.12/741,480.63 = 186,507.48/x
  3. Step 3: Cross multiply
    494,262.12x = 741,480.63 × 186,507.48
  4. Step 4: Simplify right side
    494,262.12x = 138,291,683,770.11
  5. Step 5: Solve for x
    x = 138,291,683,770.11/494,262.12
  6. Step 6: Final answer
    x = 279,794.22

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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.