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Finding the Fourth Proportional to 329,003.24, 493,507.74 and 79,685.48

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Solution

The fourth proportional to 329,003.24, 493,507.74 and 79,685.48 is: 119,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,003.24 : 493,507.74 = 79,685.48 : x
  2. Step 2: Convert to fraction form
    329,003.24/493,507.74 = 79,685.48/x
  3. Step 3: Cross multiply
    329,003.24x = 493,507.74 × 79,685.48
  4. Step 4: Simplify right side
    329,003.24x = 39,325,401,145.62
  5. Step 5: Solve for x
    x = 39,325,401,145.62/329,003.24
  6. Step 6: Final answer
    x = 119,528.92

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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.