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Finding the Fourth Proportional to 339,136.73, 468,014.52 and 186,189.09

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Solution

The fourth proportional to 339,136.73, 468,014.52 and 186,189.09 is: 256,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,136.73 : 468,014.52 = 186,189.09 : x
  2. Step 2: Convert to fraction form
    339,136.73/468,014.52 = 186,189.09/x
  3. Step 3: Cross multiply
    339,136.73x = 468,014.52 × 186,189.09
  4. Step 4: Simplify right side
    339,136.73x = 87,139,197,585.59
  5. Step 5: Solve for x
    x = 87,139,197,585.59/339,136.73
  6. Step 6: Final answer
    x = 256,944.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.