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Finding the Fourth Proportional to 366,759.05, 550,079.52 and 100,457.28

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Solution

The fourth proportional to 366,759.05, 550,079.52 and 100,457.28 is: 150,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,759.05 : 550,079.52 = 100,457.28 : x
  2. Step 2: Convert to fraction form
    366,759.05/550,079.52 = 100,457.28/x
  3. Step 3: Cross multiply
    366,759.05x = 550,079.52 × 100,457.28
  4. Step 4: Simplify right side
    366,759.05x = 55,259,492,362.91
  5. Step 5: Solve for x
    x = 55,259,492,362.91/366,759.05
  6. Step 6: Final answer
    x = 150,669.75

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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.