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Finding the Fourth Proportional to 494,513.80, 741,446.70 and 194,813.80

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Solution

The fourth proportional to 494,513.80, 741,446.70 and 194,813.80 is: 292,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,513.80 : 741,446.70 = 194,813.80 : x
  2. Step 2: Convert to fraction form
    494,513.80/741,446.70 = 194,813.80/x
  3. Step 3: Cross multiply
    494,513.80x = 741,446.70 × 194,813.80
  4. Step 4: Simplify right side
    494,513.80x = 144,444,049,124.46
  5. Step 5: Solve for x
    x = 144,444,049,124.46/494,513.80
  6. Step 6: Final answer
    x = 292,093.06

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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.