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Finding the Fourth Proportional to 366,961.10, 550,441.65 and 254,986.70

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Solution

The fourth proportional to 366,961.10, 550,441.65 and 254,986.70 is: 382,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.10 : 550,441.65 = 254,986.70 : x
  2. Step 2: Convert to fraction form
    366,961.10/550,441.65 = 254,986.70/x
  3. Step 3: Cross multiply
    366,961.10x = 550,441.65 × 254,986.70
  4. Step 4: Simplify right side
    366,961.10x = 140,355,299,876.06
  5. Step 5: Solve for x
    x = 140,355,299,876.06/366,961.10
  6. Step 6: Final answer
    x = 382,480.05

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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.