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Finding the Fourth Proportional to 362,407.93, 543,436.73 and 134,546.42

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Solution

The fourth proportional to 362,407.93, 543,436.73 and 134,546.42 is: 201,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,407.93 : 543,436.73 = 134,546.42 : x
  2. Step 2: Convert to fraction form
    362,407.93/543,436.73 = 134,546.42/x
  3. Step 3: Cross multiply
    362,407.93x = 543,436.73 × 134,546.42
  4. Step 4: Simplify right side
    362,407.93x = 73,117,465,845.27
  5. Step 5: Solve for x
    x = 73,117,465,845.27/362,407.93
  6. Step 6: Final answer
    x = 201,754.60

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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.