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Finding the Fourth Proportional to 373,362.72, 515,238.48 and 203,593.20

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Solution

The fourth proportional to 373,362.72, 515,238.48 and 203,593.20 is: 280,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,362.72 : 515,238.48 = 203,593.20 : x
  2. Step 2: Convert to fraction form
    373,362.72/515,238.48 = 203,593.20/x
  3. Step 3: Cross multiply
    373,362.72x = 515,238.48 × 203,593.20
  4. Step 4: Simplify right side
    373,362.72x = 104,899,050,906.34
  5. Step 5: Solve for x
    x = 104,899,050,906.34/373,362.72
  6. Step 6: Final answer
    x = 280,957.49

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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.