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Finding the Fourth Proportional to 347,181, 479,087.10 and 194,192.64

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Solution

The fourth proportional to 347,181, 479,087.10 and 194,192.64 is: 267,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,181 : 479,087.10 = 194,192.64 : x
  2. Step 2: Convert to fraction form
    347,181/479,087.10 = 194,192.64/x
  3. Step 3: Cross multiply
    347,181x = 479,087.10 × 194,192.64
  4. Step 4: Simplify right side
    347,181x = 93,035,188,738.94
  5. Step 5: Solve for x
    x = 93,035,188,738.94/347,181
  6. Step 6: Final answer
    x = 267,973.16

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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.