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Finding the Fourth Proportional to 362,217.02, 543,325.52 and 137,576.90

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Solution

The fourth proportional to 362,217.02, 543,325.52 and 137,576.90 is: 206,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,217.02 : 543,325.52 = 137,576.90 : x
  2. Step 2: Convert to fraction form
    362,217.02/543,325.52 = 137,576.90/x
  3. Step 3: Cross multiply
    362,217.02x = 543,325.52 × 137,576.90
  4. Step 4: Simplify right side
    362,217.02x = 74,749,040,732.49
  5. Step 5: Solve for x
    x = 74,749,040,732.49/362,217.02
  6. Step 6: Final answer
    x = 206,365.35

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1.5x scale

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.