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Finding the Fourth Proportional to 203,464.70, 305,197.05 and 170,222.30

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Solution

The fourth proportional to 203,464.70, 305,197.05 and 170,222.30 is: 255,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,464.70 : 305,197.05 = 170,222.30 : x
  2. Step 2: Convert to fraction form
    203,464.70/305,197.05 = 170,222.30/x
  3. Step 3: Cross multiply
    203,464.70x = 305,197.05 × 170,222.30
  4. Step 4: Simplify right side
    203,464.70x = 51,951,343,804.22
  5. Step 5: Solve for x
    x = 51,951,343,804.22/203,464.70
  6. Step 6: Final answer
    x = 255,333.45

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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.