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Finding the Fourth Proportional to 392,004.44, 587,266.74 and 231,601.76

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Solution

The fourth proportional to 392,004.44, 587,266.74 and 231,601.76 is: 346,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,004.44 : 587,266.74 = 231,601.76 : x
  2. Step 2: Convert to fraction form
    392,004.44/587,266.74 = 231,601.76/x
  3. Step 3: Cross multiply
    392,004.44x = 587,266.74 × 231,601.76
  4. Step 4: Simplify right side
    392,004.44x = 136,012,010,573.46
  5. Step 5: Solve for x
    x = 136,012,010,573.46/392,004.44
  6. Step 6: Final answer
    x = 346,965.48

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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.