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Finding the Fourth Proportional to 494,604.20, 741,906.30 and 292,525.40

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Solution

The fourth proportional to 494,604.20, 741,906.30 and 292,525.40 is: 438,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,604.20 : 741,906.30 = 292,525.40 : x
  2. Step 2: Convert to fraction form
    494,604.20/741,906.30 = 292,525.40/x
  3. Step 3: Cross multiply
    494,604.20x = 741,906.30 × 292,525.40
  4. Step 4: Simplify right side
    494,604.20x = 217,026,437,170.02
  5. Step 5: Solve for x
    x = 217,026,437,170.02/494,604.20
  6. Step 6: Final answer
    x = 438,788.10

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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.