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Finding the Fourth Proportional to 609,838.64, 914,674.92 and 160,521.88

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Solution

The fourth proportional to 609,838.64, 914,674.92 and 160,521.88 is: 240,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,838.64 : 914,674.92 = 160,521.88 : x
  2. Step 2: Convert to fraction form
    609,838.64/914,674.92 = 160,521.88/x
  3. Step 3: Cross multiply
    609,838.64x = 914,674.92 × 160,521.88
  4. Step 4: Simplify right side
    609,838.64x = 146,825,336,573.62
  5. Step 5: Solve for x
    x = 146,825,336,573.62/609,838.64
  6. Step 6: Final answer
    x = 240,760.96

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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.