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Finding the Fourth Proportional to 364,168.97, 502,543.27 and 211,197.43

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Solution

The fourth proportional to 364,168.97, 502,543.27 and 211,197.43 is: 291,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,168.97 : 502,543.27 = 211,197.43 : x
  2. Step 2: Convert to fraction form
    364,168.97/502,543.27 = 211,197.43/x
  3. Step 3: Cross multiply
    364,168.97x = 502,543.27 × 211,197.43
  4. Step 4: Simplify right side
    364,168.97x = 106,135,847,087.80
  5. Step 5: Solve for x
    x = 106,135,847,087.80/364,168.97
  6. Step 6: Final answer
    x = 291,446.71

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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.