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Finding the Fourth Proportional to 373,536.72, 515,479.60 and 203,769.64

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Solution

The fourth proportional to 373,536.72, 515,479.60 and 203,769.64 is: 281,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,536.72 : 515,479.60 = 203,769.64 : x
  2. Step 2: Convert to fraction form
    373,536.72/515,479.60 = 203,769.64/x
  3. Step 3: Cross multiply
    373,536.72x = 515,479.60 × 203,769.64
  4. Step 4: Simplify right side
    373,536.72x = 105,039,092,519.34
  5. Step 5: Solve for x
    x = 105,039,092,519.34/373,536.72
  6. Step 6: Final answer
    x = 281,201.52

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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.