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Finding the Fourth Proportional to 606,851.82, 905,663.31 and 539,593.05

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Solution

The fourth proportional to 606,851.82, 905,663.31 and 539,593.05 is: 805,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,851.82 : 905,663.31 = 539,593.05 : x
  2. Step 2: Convert to fraction form
    606,851.82/905,663.31 = 539,593.05/x
  3. Step 3: Cross multiply
    606,851.82x = 905,663.31 × 539,593.05
  4. Step 4: Simplify right side
    606,851.82x = 488,689,627,716.00
  5. Step 5: Solve for x
    x = 488,689,627,716.00/606,851.82
  6. Step 6: Final answer
    x = 805,286.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.