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Finding the Fourth Proportional to 266,261.70, 367,440.60 and 170,768.16

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Solution

The fourth proportional to 266,261.70, 367,440.60 and 170,768.16 is: 235,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,261.70 : 367,440.60 = 170,768.16 : x
  2. Step 2: Convert to fraction form
    266,261.70/367,440.60 = 170,768.16/x
  3. Step 3: Cross multiply
    266,261.70x = 367,440.60 × 170,768.16
  4. Step 4: Simplify right side
    266,261.70x = 62,747,155,171.30
  5. Step 5: Solve for x
    x = 62,747,155,171.30/266,261.70
  6. Step 6: Final answer
    x = 235,659.71

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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.