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Finding the Fourth Proportional to 494,870.11, 741,032.80 and 342,850.73

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Solution

The fourth proportional to 494,870.11, 741,032.80 and 342,850.73 is: 513,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,870.11 : 741,032.80 = 342,850.73 : x
  2. Step 2: Convert to fraction form
    494,870.11/741,032.80 = 342,850.73/x
  3. Step 3: Cross multiply
    494,870.11x = 741,032.80 × 342,850.73
  4. Step 4: Simplify right side
    494,870.11x = 254,063,633,800.19
  5. Step 5: Solve for x
    x = 254,063,633,800.19/494,870.11
  6. Step 6: Final answer
    x = 513,394.59

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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.