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Finding the Fourth Proportional to 403,333.34, 605,374.08 and 203,793.86

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Solution

The fourth proportional to 403,333.34, 605,374.08 and 203,793.86 is: 305,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,333.34 : 605,374.08 = 203,793.86 : x
  2. Step 2: Convert to fraction form
    403,333.34/605,374.08 = 203,793.86/x
  3. Step 3: Cross multiply
    403,333.34x = 605,374.08 × 203,793.86
  4. Step 4: Simplify right side
    403,333.34x = 123,371,517,480.28
  5. Step 5: Solve for x
    x = 123,371,517,480.28/403,333.34
  6. Step 6: Final answer
    x = 305,879.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.