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Finding the Fourth Proportional to 329,096.32, 493,644.47 and 79,778.32

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Solution

The fourth proportional to 329,096.32, 493,644.47 and 79,778.32 is: 119,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,096.32 : 493,644.47 = 79,778.32 : x
  2. Step 2: Convert to fraction form
    329,096.32/493,644.47 = 79,778.32/x
  3. Step 3: Cross multiply
    329,096.32x = 493,644.47 × 79,778.32
  4. Step 4: Simplify right side
    329,096.32x = 39,382,126,493.89
  5. Step 5: Solve for x
    x = 39,382,126,493.89/329,096.32
  6. Step 6: Final answer
    x = 119,667.48

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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.