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Finding the Fourth Proportional to 362,172.72, 543,792.39 and 202,561.32

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Solution

The fourth proportional to 362,172.72, 543,792.39 and 202,561.32 is: 304,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,172.72 : 543,792.39 = 202,561.32 : x
  2. Step 2: Convert to fraction form
    362,172.72/543,792.39 = 202,561.32/x
  3. Step 3: Cross multiply
    362,172.72x = 543,792.39 × 202,561.32
  4. Step 4: Simplify right side
    362,172.72x = 110,151,304,324.36
  5. Step 5: Solve for x
    x = 110,151,304,324.36/362,172.72
  6. Step 6: Final answer
    x = 304,140.26

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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.