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Finding the Fourth Proportional to 373,552.48, 515,431.92 and 222,663.52

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Solution

The fourth proportional to 373,552.48, 515,431.92 and 222,663.52 is: 307,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,552.48 : 515,431.92 = 222,663.52 : x
  2. Step 2: Convert to fraction form
    373,552.48/515,431.92 = 222,663.52/x
  3. Step 3: Cross multiply
    373,552.48x = 515,431.92 × 222,663.52
  4. Step 4: Simplify right side
    373,552.48x = 114,767,885,627.56
  5. Step 5: Solve for x
    x = 114,767,885,627.56/373,552.48
  6. Step 6: Final answer
    x = 307,233.63

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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.