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Finding the Fourth Proportional to 364,388.73, 502,857.21 and 203,239.62

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Solution

The fourth proportional to 364,388.73, 502,857.21 and 203,239.62 is: 280,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,388.73 : 502,857.21 = 203,239.62 : x
  2. Step 2: Convert to fraction form
    364,388.73/502,857.21 = 203,239.62/x
  3. Step 3: Cross multiply
    364,388.73x = 502,857.21 × 203,239.62
  4. Step 4: Simplify right side
    364,388.73x = 102,200,508,274.66
  5. Step 5: Solve for x
    x = 102,200,508,274.66/364,388.73
  6. Step 6: Final answer
    x = 280,471.10

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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.