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Finding the Fourth Proportional to 366,690.46, 550,036.12 and 100,453.26

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Solution

The fourth proportional to 366,690.46, 550,036.12 and 100,453.26 is: 150,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,690.46 : 550,036.12 = 100,453.26 : x
  2. Step 2: Convert to fraction form
    366,690.46/550,036.12 = 100,453.26/x
  3. Step 3: Cross multiply
    366,690.46x = 550,036.12 × 100,453.26
  4. Step 4: Simplify right side
    366,690.46x = 55,252,921,371.75
  5. Step 5: Solve for x
    x = 55,252,921,371.75/366,690.46
  6. Step 6: Final answer
    x = 150,680.01

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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.