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Finding the Fourth Proportional to 362,617.90, 544,042.05 and 162,861.10

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Solution

The fourth proportional to 362,617.90, 544,042.05 and 162,861.10 is: 244,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,617.90 : 544,042.05 = 162,861.10 : x
  2. Step 2: Convert to fraction form
    362,617.90/544,042.05 = 162,861.10/x
  3. Step 3: Cross multiply
    362,617.90x = 544,042.05 × 162,861.10
  4. Step 4: Simplify right side
    362,617.90x = 88,603,286,709.26
  5. Step 5: Solve for x
    x = 88,603,286,709.26/362,617.90
  6. Step 6: Final answer
    x = 244,343.39

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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.