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Finding the Fourth Proportional to 539,333.25, 808,789.61 and 202,190.13

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Solution

The fourth proportional to 539,333.25, 808,789.61 and 202,190.13 is: 303,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,333.25 : 808,789.61 = 202,190.13 : x
  2. Step 2: Convert to fraction form
    539,333.25/808,789.61 = 202,190.13/x
  3. Step 3: Cross multiply
    539,333.25x = 808,789.61 × 202,190.13
  4. Step 4: Simplify right side
    539,333.25x = 163,529,275,377.60
  5. Step 5: Solve for x
    x = 163,529,275,377.60/539,333.25
  6. Step 6: Final answer
    x = 303,206.37

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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.