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Finding the Fourth Proportional to 319,337.76, 479,006.62 and 179,107.32

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Solution

The fourth proportional to 319,337.76, 479,006.62 and 179,107.32 is: 268,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,337.76 : 479,006.62 = 179,107.32 : x
  2. Step 2: Convert to fraction form
    319,337.76/479,006.62 = 179,107.32/x
  3. Step 3: Cross multiply
    319,337.76x = 479,006.62 × 179,107.32
  4. Step 4: Simplify right side
    319,337.76x = 85,793,591,970.46
  5. Step 5: Solve for x
    x = 85,793,591,970.46/319,337.76
  6. Step 6: Final answer
    x = 268,660.97

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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.