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Finding the Fourth Proportional to 362,233.53, 543,332.75 and 137,576.43

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Solution

The fourth proportional to 362,233.53, 543,332.75 and 137,576.43 is: 206,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,233.53 : 543,332.75 = 137,576.43 : x
  2. Step 2: Convert to fraction form
    362,233.53/543,332.75 = 137,576.43/x
  3. Step 3: Cross multiply
    362,233.53x = 543,332.75 × 137,576.43
  4. Step 4: Simplify right side
    362,233.53x = 74,749,777,330.42
  5. Step 5: Solve for x
    x = 74,749,777,330.42/362,233.53
  6. Step 6: Final answer
    x = 206,357.98

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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.