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Finding the Fourth Proportional to 299,621.33, 413,474.97 and 163,655.36

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Solution

The fourth proportional to 299,621.33, 413,474.97 and 163,655.36 is: 225,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,621.33 : 413,474.97 = 163,655.36 : x
  2. Step 2: Convert to fraction form
    299,621.33/413,474.97 = 163,655.36/x
  3. Step 3: Cross multiply
    299,621.33x = 413,474.97 × 163,655.36
  4. Step 4: Simplify right side
    299,621.33x = 67,667,395,066.34
  5. Step 5: Solve for x
    x = 67,667,395,066.34/299,621.33
  6. Step 6: Final answer
    x = 225,843.05

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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.