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Finding the Fourth Proportional to 347,174.56, 479,078.26 and 194,186.24

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Solution

The fourth proportional to 347,174.56, 479,078.26 and 194,186.24 is: 267,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,174.56 : 479,078.26 = 194,186.24 : x
  2. Step 2: Convert to fraction form
    347,174.56/479,078.26 = 194,186.24/x
  3. Step 3: Cross multiply
    347,174.56x = 479,078.26 × 194,186.24
  4. Step 4: Simplify right side
    347,174.56x = 93,030,405,975.14
  5. Step 5: Solve for x
    x = 93,030,405,975.14/347,174.56
  6. Step 6: Final answer
    x = 267,964.35

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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.