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Finding the Fourth Proportional to 301,997.96, 416,745.78 and 167,870.60

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Solution

The fourth proportional to 301,997.96, 416,745.78 and 167,870.60 is: 231,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,997.96 : 416,745.78 = 167,870.60 : x
  2. Step 2: Convert to fraction form
    301,997.96/416,745.78 = 167,870.60/x
  3. Step 3: Cross multiply
    301,997.96x = 416,745.78 × 167,870.60
  4. Step 4: Simplify right side
    301,997.96x = 69,959,364,136.07
  5. Step 5: Solve for x
    x = 69,959,364,136.07/301,997.96
  6. Step 6: Final answer
    x = 231,655.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.