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Finding the Fourth Proportional to 362,580.51, 543,788.73 and 137,860.83

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Solution

The fourth proportional to 362,580.51, 543,788.73 and 137,860.83 is: 206,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,580.51 : 543,788.73 = 137,860.83 : x
  2. Step 2: Convert to fraction form
    362,580.51/543,788.73 = 137,860.83/x
  3. Step 3: Cross multiply
    362,580.51x = 543,788.73 × 137,860.83
  4. Step 4: Simplify right side
    362,580.51x = 74,967,165,662.45
  5. Step 5: Solve for x
    x = 74,967,165,662.45/362,580.51
  6. Step 6: Final answer
    x = 206,760.05

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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.