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Finding the Fourth Proportional to 282,136.68, 422,644.49 and 155,462.73

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Solution

The fourth proportional to 282,136.68, 422,644.49 and 155,462.73 is: 232,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,136.68 : 422,644.49 = 155,462.73 : x
  2. Step 2: Convert to fraction form
    282,136.68/422,644.49 = 155,462.73/x
  3. Step 3: Cross multiply
    282,136.68x = 422,644.49 × 155,462.73
  4. Step 4: Simplify right side
    282,136.68x = 65,705,468,458.91
  5. Step 5: Solve for x
    x = 65,705,468,458.91/282,136.68
  6. Step 6: Final answer
    x = 232,885.24

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1.5x scale

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.