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Finding the Fourth Proportional to 373,557.96, 515,499.78 and 203,792.04

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Solution

The fourth proportional to 373,557.96, 515,499.78 and 203,792.04 is: 281,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,557.96 : 515,499.78 = 203,792.04 : x
  2. Step 2: Convert to fraction form
    373,557.96/515,499.78 = 203,792.04/x
  3. Step 3: Cross multiply
    373,557.96x = 515,499.78 × 203,792.04
  4. Step 4: Simplify right side
    373,557.96x = 105,054,751,785.75
  5. Step 5: Solve for x
    x = 105,054,751,785.75/373,557.96
  6. Step 6: Final answer
    x = 281,227.45

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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.