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Finding the Fourth Proportional to 299,240.72, 412,950.12 and 165,105.04

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Solution

The fourth proportional to 299,240.72, 412,950.12 and 165,105.04 is: 227,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,240.72 : 412,950.12 = 165,105.04 : x
  2. Step 2: Convert to fraction form
    299,240.72/412,950.12 = 165,105.04/x
  3. Step 3: Cross multiply
    299,240.72x = 412,950.12 × 165,105.04
  4. Step 4: Simplify right side
    299,240.72x = 68,180,146,080.60
  5. Step 5: Solve for x
    x = 68,180,146,080.60/299,240.72
  6. Step 6: Final answer
    x = 227,843.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.