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Finding the Fourth Proportional to 606,850.31, 905,661.06 and 539,591.55

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Solution

The fourth proportional to 606,850.31, 905,661.06 and 539,591.55 is: 805,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,850.31 : 905,661.06 = 539,591.55 : x
  2. Step 2: Convert to fraction form
    606,850.31/905,661.06 = 539,591.55/x
  3. Step 3: Cross multiply
    606,850.31x = 905,661.06 × 539,591.55
  4. Step 4: Simplify right side
    606,850.31x = 488,687,055,140.04
  5. Step 5: Solve for x
    x = 488,687,055,140.04/606,850.31
  6. Step 6: Final answer
    x = 805,284.35

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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.