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Finding the Fourth Proportional to 319,592.12, 479,372.60 and 119,896.92

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Solution

The fourth proportional to 319,592.12, 479,372.60 and 119,896.92 is: 179,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,592.12 : 479,372.60 = 119,896.92 : x
  2. Step 2: Convert to fraction form
    319,592.12/479,372.60 = 119,896.92/x
  3. Step 3: Cross multiply
    319,592.12x = 479,372.60 × 119,896.92
  4. Step 4: Simplify right side
    319,592.12x = 57,475,298,272.39
  5. Step 5: Solve for x
    x = 57,475,298,272.39/319,592.12
  6. Step 6: Final answer
    x = 179,839.54

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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.