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Finding the Fourth Proportional to 373,437, 515,343.06 and 203,672.34

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Solution

The fourth proportional to 373,437, 515,343.06 and 203,672.34 is: 281,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,437 : 515,343.06 = 203,672.34 : x
  2. Step 2: Convert to fraction form
    373,437/515,343.06 = 203,672.34/x
  3. Step 3: Cross multiply
    373,437x = 515,343.06 × 203,672.34
  4. Step 4: Simplify right side
    373,437x = 104,961,126,932.96
  5. Step 5: Solve for x
    x = 104,961,126,932.96/373,437
  6. Step 6: Final answer
    x = 281,067.83

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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.