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Finding the Fourth Proportional to 319,249.92, 479,020.48 and 119,585.60

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Solution

The fourth proportional to 319,249.92, 479,020.48 and 119,585.60 is: 179,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,249.92 : 479,020.48 = 119,585.60 : x
  2. Step 2: Convert to fraction form
    319,249.92/479,020.48 = 119,585.60/x
  3. Step 3: Cross multiply
    319,249.92x = 479,020.48 × 119,585.60
  4. Step 4: Simplify right side
    319,249.92x = 57,283,951,513.09
  5. Step 5: Solve for x
    x = 57,283,951,513.09/319,249.92
  6. Step 6: Final answer
    x = 179,432.94

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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.