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Finding the Fourth Proportional to 362,633.29, 543,949.83 and 113,315.29

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Solution

The fourth proportional to 362,633.29, 543,949.83 and 113,315.29 is: 169,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,633.29 : 543,949.83 = 113,315.29 : x
  2. Step 2: Convert to fraction form
    362,633.29/543,949.83 = 113,315.29/x
  3. Step 3: Cross multiply
    362,633.29x = 543,949.83 × 113,315.29
  4. Step 4: Simplify right side
    362,633.29x = 61,637,831,372.03
  5. Step 5: Solve for x
    x = 61,637,831,372.03/362,633.29
  6. Step 6: Final answer
    x = 169,972.90

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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.