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Finding the Fourth Proportional to 539,333.38, 808,789.92 and 202,190.14

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Solution

The fourth proportional to 539,333.38, 808,789.92 and 202,190.14 is: 303,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,333.38 : 808,789.92 = 202,190.14 : x
  2. Step 2: Convert to fraction form
    539,333.38/808,789.92 = 202,190.14/x
  3. Step 3: Cross multiply
    539,333.38x = 808,789.92 × 202,190.14
  4. Step 4: Simplify right side
    539,333.38x = 163,529,347,155.39
  5. Step 5: Solve for x
    x = 163,529,347,155.39/539,333.38
  6. Step 6: Final answer
    x = 303,206.43

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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.