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Finding the Fourth Proportional to 322,412.15, 444,893.43 and 186,425.52

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Solution

The fourth proportional to 322,412.15, 444,893.43 and 186,425.52 is: 257,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,412.15 : 444,893.43 = 186,425.52 : x
  2. Step 2: Convert to fraction form
    322,412.15/444,893.43 = 186,425.52/x
  3. Step 3: Cross multiply
    322,412.15x = 444,893.43 × 186,425.52
  4. Step 4: Simplify right side
    322,412.15x = 82,939,489,032.33
  5. Step 5: Solve for x
    x = 82,939,489,032.33/322,412.15
  6. Step 6: Final answer
    x = 257,246.79

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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.