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Finding the Fourth Proportional to 225,099.95, 309,338.60 and 214,692.26

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Solution

The fourth proportional to 225,099.95, 309,338.60 and 214,692.26 is: 295,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,099.95 : 309,338.60 = 214,692.26 : x
  2. Step 2: Convert to fraction form
    225,099.95/309,338.60 = 214,692.26/x
  3. Step 3: Cross multiply
    225,099.95x = 309,338.60 × 214,692.26
  4. Step 4: Simplify right side
    225,099.95x = 66,412,600,519.08
  5. Step 5: Solve for x
    x = 66,412,600,519.08/225,099.95
  6. Step 6: Final answer
    x = 295,036.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.