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Finding the Fourth Proportional to 392,964.50, 588,953.85 and 168,060.92

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Solution

The fourth proportional to 392,964.50, 588,953.85 and 168,060.92 is: 251,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,964.50 : 588,953.85 = 168,060.92 : x
  2. Step 2: Convert to fraction form
    392,964.50/588,953.85 = 168,060.92/x
  3. Step 3: Cross multiply
    392,964.50x = 588,953.85 × 168,060.92
  4. Step 4: Simplify right side
    392,964.50x = 98,980,122,923.77
  5. Step 5: Solve for x
    x = 98,980,122,923.77/392,964.50
  6. Step 6: Final answer
    x = 251,880.57

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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.