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Finding the Fourth Proportional to 406,993.92, 561,687.12 and 237,224.40

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Solution

The fourth proportional to 406,993.92, 561,687.12 and 237,224.40 is: 327,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,993.92 : 561,687.12 = 237,224.40 : x
  2. Step 2: Convert to fraction form
    406,993.92/561,687.12 = 237,224.40/x
  3. Step 3: Cross multiply
    406,993.92x = 561,687.12 × 237,224.40
  4. Step 4: Simplify right side
    406,993.92x = 133,245,890,029.73
  5. Step 5: Solve for x
    x = 133,245,890,029.73/406,993.92
  6. Step 6: Final answer
    x = 327,390.37

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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.