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Finding the Fourth Proportional to 373,192.32, 515,010.76 and 203,426.44

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Solution

The fourth proportional to 373,192.32, 515,010.76 and 203,426.44 is: 280,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,192.32 : 515,010.76 = 203,426.44 : x
  2. Step 2: Convert to fraction form
    373,192.32/515,010.76 = 203,426.44/x
  3. Step 3: Cross multiply
    373,192.32x = 515,010.76 × 203,426.44
  4. Step 4: Simplify right side
    373,192.32x = 104,766,805,468.49
  5. Step 5: Solve for x
    x = 104,766,805,468.49/373,192.32
  6. Step 6: Final answer
    x = 280,731.41

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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.