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Finding the Fourth Proportional to 364,192.80, 502,588.17 and 203,057.88

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Solution

The fourth proportional to 364,192.80, 502,588.17 and 203,057.88 is: 280,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,192.80 : 502,588.17 = 203,057.88 : x
  2. Step 2: Convert to fraction form
    364,192.80/502,588.17 = 203,057.88/x
  3. Step 3: Cross multiply
    364,192.80x = 502,588.17 × 203,057.88
  4. Step 4: Simplify right side
    364,192.80x = 102,054,488,313.28
  5. Step 5: Solve for x
    x = 102,054,488,313.28/364,192.80
  6. Step 6: Final answer
    x = 280,221.05

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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.