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Finding the Fourth Proportional to 299,184.20, 412,833.34 and 171,859.78

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Solution

The fourth proportional to 299,184.20, 412,833.34 and 171,859.78 is: 237,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,184.20 : 412,833.34 = 171,859.78 : x
  2. Step 2: Convert to fraction form
    299,184.20/412,833.34 = 171,859.78/x
  3. Step 3: Cross multiply
    299,184.20x = 412,833.34 × 171,859.78
  4. Step 4: Simplify right side
    299,184.20x = 70,949,446,989.07
  5. Step 5: Solve for x
    x = 70,949,446,989.07/299,184.20
  6. Step 6: Final answer
    x = 237,143.03

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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.