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Finding the Fourth Proportional to 322,949.94, 484,457.94 and 123,438.26

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Solution

The fourth proportional to 322,949.94, 484,457.94 and 123,438.26 is: 185,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,949.94 : 484,457.94 = 123,438.26 : x
  2. Step 2: Convert to fraction form
    322,949.94/484,457.94 = 123,438.26/x
  3. Step 3: Cross multiply
    322,949.94x = 484,457.94 × 123,438.26
  4. Step 4: Simplify right side
    322,949.94x = 59,800,642,734.49
  5. Step 5: Solve for x
    x = 59,800,642,734.49/322,949.94
  6. Step 6: Final answer
    x = 185,170.01

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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.