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Finding the Fourth Proportional to 494,540.60, 741,810.90 and 335,108.30

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Solution

The fourth proportional to 494,540.60, 741,810.90 and 335,108.30 is: 502,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,540.60 : 741,810.90 = 335,108.30 : x
  2. Step 2: Convert to fraction form
    494,540.60/741,810.90 = 335,108.30/x
  3. Step 3: Cross multiply
    494,540.60x = 741,810.90 × 335,108.30
  4. Step 4: Simplify right side
    494,540.60x = 248,586,989,620.47
  5. Step 5: Solve for x
    x = 248,586,989,620.47/494,540.60
  6. Step 6: Final answer
    x = 502,662.45

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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.