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Finding the Fourth Proportional to 362,570.15, 543,873.68 and 134,815.29

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Solution

The fourth proportional to 362,570.15, 543,873.68 and 134,815.29 is: 202,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,570.15 : 543,873.68 = 134,815.29 : x
  2. Step 2: Convert to fraction form
    362,570.15/543,873.68 = 134,815.29/x
  3. Step 3: Cross multiply
    362,570.15x = 543,873.68 × 134,815.29
  4. Step 4: Simplify right side
    362,570.15x = 73,322,487,892.57
  5. Step 5: Solve for x
    x = 73,322,487,892.57/362,570.15
  6. Step 6: Final answer
    x = 202,229.80

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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.