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Finding the Fourth Proportional to 365,774.28, 548,708.16 and 141,198.97

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Solution

The fourth proportional to 365,774.28, 548,708.16 and 141,198.97 is: 211,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,774.28 : 548,708.16 = 141,198.97 : x
  2. Step 2: Convert to fraction form
    365,774.28/548,708.16 = 141,198.97/x
  3. Step 3: Cross multiply
    365,774.28x = 548,708.16 × 141,198.97
  4. Step 4: Simplify right side
    365,774.28x = 77,477,027,022.60
  5. Step 5: Solve for x
    x = 77,477,027,022.60/365,774.28
  6. Step 6: Final answer
    x = 211,816.50

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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.