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Finding the Fourth Proportional to 366,834.64, 550,407.48 and 200,428.24

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Solution

The fourth proportional to 366,834.64, 550,407.48 and 200,428.24 is: 300,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,834.64 : 550,407.48 = 200,428.24 : x
  2. Step 2: Convert to fraction form
    366,834.64/550,407.48 = 200,428.24/x
  3. Step 3: Cross multiply
    366,834.64x = 550,407.48 × 200,428.24
  4. Step 4: Simplify right side
    366,834.64x = 110,317,202,499.24
  5. Step 5: Solve for x
    x = 110,317,202,499.24/366,834.64
  6. Step 6: Final answer
    x = 300,727.33

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1.5x scale

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.