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Finding the Fourth Proportional to 362,579.26, 543,682.14 and 162,728.32

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Solution

The fourth proportional to 362,579.26, 543,682.14 and 162,728.32 is: 244,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,579.26 : 543,682.14 = 162,728.32 : x
  2. Step 2: Convert to fraction form
    362,579.26/543,682.14 = 162,728.32/x
  3. Step 3: Cross multiply
    362,579.26x = 543,682.14 × 162,728.32
  4. Step 4: Simplify right side
    362,579.26x = 88,472,481,256.20
  5. Step 5: Solve for x
    x = 88,472,481,256.20/362,579.26
  6. Step 6: Final answer
    x = 244,008.67

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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.