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Finding the Fourth Proportional to 362,424.49, 543,421.38 and 137,801.37

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Solution

The fourth proportional to 362,424.49, 543,421.38 and 137,801.37 is: 206,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,424.49 : 543,421.38 = 137,801.37 : x
  2. Step 2: Convert to fraction form
    362,424.49/543,421.38 = 137,801.37/x
  3. Step 3: Cross multiply
    362,424.49x = 543,421.38 × 137,801.37
  4. Step 4: Simplify right side
    362,424.49x = 74,884,210,651.29
  5. Step 5: Solve for x
    x = 74,884,210,651.29/362,424.49
  6. Step 6: Final answer
    x = 206,620.17

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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.