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Finding the Fourth Proportional to 494,269.84, 740,558.52 and 269,787.88

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Solution

The fourth proportional to 494,269.84, 740,558.52 and 269,787.88 is: 404,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,269.84 : 740,558.52 = 269,787.88 : x
  2. Step 2: Convert to fraction form
    494,269.84/740,558.52 = 269,787.88/x
  3. Step 3: Cross multiply
    494,269.84x = 740,558.52 × 269,787.88
  4. Step 4: Simplify right side
    494,269.84x = 199,793,713,126.74
  5. Step 5: Solve for x
    x = 199,793,713,126.74/494,269.84
  6. Step 6: Final answer
    x = 404,219.92

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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.