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Finding the Fourth Proportional to 347,164.54, 479,064.46 and 194,176.23

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Solution

The fourth proportional to 347,164.54, 479,064.46 and 194,176.23 is: 267,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,164.54 : 479,064.46 = 194,176.23 : x
  2. Step 2: Convert to fraction form
    347,164.54/479,064.46 = 194,176.23/x
  3. Step 3: Cross multiply
    347,164.54x = 479,064.46 × 194,176.23
  4. Step 4: Simplify right side
    347,164.54x = 93,022,930,769.79
  5. Step 5: Solve for x
    x = 93,022,930,769.79/347,164.54
  6. Step 6: Final answer
    x = 267,950.55

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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.