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Finding the Fourth Proportional to 605,324.12, 907,993.44 and 205,973.12

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Solution

The fourth proportional to 605,324.12, 907,993.44 and 205,973.12 is: 308,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,324.12 : 907,993.44 = 205,973.12 : x
  2. Step 2: Convert to fraction form
    605,324.12/907,993.44 = 205,973.12/x
  3. Step 3: Cross multiply
    605,324.12x = 907,993.44 × 205,973.12
  4. Step 4: Simplify right side
    605,324.12x = 187,022,241,776.33
  5. Step 5: Solve for x
    x = 187,022,241,776.33/605,324.12
  6. Step 6: Final answer
    x = 308,962.15

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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.