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Finding the Fourth Proportional to 494,429.70, 741,644.55 and 162,005.70

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Solution

The fourth proportional to 494,429.70, 741,644.55 and 162,005.70 is: 243,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,429.70 : 741,644.55 = 162,005.70 : x
  2. Step 2: Convert to fraction form
    494,429.70/741,644.55 = 162,005.70/x
  3. Step 3: Cross multiply
    494,429.70x = 741,644.55 × 162,005.70
  4. Step 4: Simplify right side
    494,429.70x = 120,150,644,473.94
  5. Step 5: Solve for x
    x = 120,150,644,473.94/494,429.70
  6. Step 6: Final answer
    x = 243,008.55

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Similar ratio
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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.