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Finding the Fourth Proportional to 291,906.40, 437,519.40 and 134,150.80

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Solution

The fourth proportional to 291,906.40, 437,519.40 and 134,150.80 is: 201,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,906.40 : 437,519.40 = 134,150.80 : x
  2. Step 2: Convert to fraction form
    291,906.40/437,519.40 = 134,150.80/x
  3. Step 3: Cross multiply
    291,906.40x = 437,519.40 × 134,150.80
  4. Step 4: Simplify right side
    291,906.40x = 58,693,577,525.52
  5. Step 5: Solve for x
    x = 58,693,577,525.52/291,906.40
  6. Step 6: Final answer
    x = 201,069.86

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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.