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Finding the Fourth Proportional to 365,764.14, 548,471.25 and 155,287.26

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Solution

The fourth proportional to 365,764.14, 548,471.25 and 155,287.26 is: 232,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,764.14 : 548,471.25 = 155,287.26 : x
  2. Step 2: Convert to fraction form
    365,764.14/548,471.25 = 155,287.26/x
  3. Step 3: Cross multiply
    365,764.14x = 548,471.25 × 155,287.26
  4. Step 4: Simplify right side
    365,764.14x = 85,170,597,601.28
  5. Step 5: Solve for x
    x = 85,170,597,601.28/365,764.14
  6. Step 6: Final answer
    x = 232,856.61

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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.