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Finding the Fourth Proportional to 329,072.28, 493,608.39 and 79,754.28

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Solution

The fourth proportional to 329,072.28, 493,608.39 and 79,754.28 is: 119,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,072.28 : 493,608.39 = 79,754.28 : x
  2. Step 2: Convert to fraction form
    329,072.28/493,608.39 = 79,754.28/x
  3. Step 3: Cross multiply
    329,072.28x = 493,608.39 × 79,754.28
  4. Step 4: Simplify right side
    329,072.28x = 39,367,381,746.41
  5. Step 5: Solve for x
    x = 39,367,381,746.41/329,072.28
  6. Step 6: Final answer
    x = 119,631.41

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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.