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Finding the Fourth Proportional to 293,633.92, 405,382.40 and 193,323.52

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Solution

The fourth proportional to 293,633.92, 405,382.40 and 193,323.52 is: 266,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,633.92 : 405,382.40 = 193,323.52 : x
  2. Step 2: Convert to fraction form
    293,633.92/405,382.40 = 193,323.52/x
  3. Step 3: Cross multiply
    293,633.92x = 405,382.40 × 193,323.52
  4. Step 4: Simplify right side
    293,633.92x = 78,369,952,514.05
  5. Step 5: Solve for x
    x = 78,369,952,514.05/293,633.92
  6. Step 6: Final answer
    x = 266,896.80

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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.