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Finding the Fourth Proportional to 540,593.33, 811,293.91 and 203,965.97

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Solution

The fourth proportional to 540,593.33, 811,293.91 and 203,965.97 is: 306,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,593.33 : 811,293.91 = 203,965.97 : x
  2. Step 2: Convert to fraction form
    540,593.33/811,293.91 = 203,965.97/x
  3. Step 3: Cross multiply
    540,593.33x = 811,293.91 × 203,965.97
  4. Step 4: Simplify right side
    540,593.33x = 165,476,344,741.86
  5. Step 5: Solve for x
    x = 165,476,344,741.86/540,593.33
  6. Step 6: Final answer
    x = 306,101.35

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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.