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Finding the Fourth Proportional to 496,243.86, 744,365.79 and 215,761.14

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Solution

The fourth proportional to 496,243.86, 744,365.79 and 215,761.14 is: 323,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,243.86 : 744,365.79 = 215,761.14 : x
  2. Step 2: Convert to fraction form
    496,243.86/744,365.79 = 215,761.14/x
  3. Step 3: Cross multiply
    496,243.86x = 744,365.79 × 215,761.14
  4. Step 4: Simplify right side
    496,243.86x = 160,605,211,427.40
  5. Step 5: Solve for x
    x = 160,605,211,427.40/496,243.86
  6. Step 6: Final answer
    x = 323,641.71

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Similar ratio
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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.