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Finding the Fourth Proportional to 609,838.61, 914,674.87 and 160,521.85

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Solution

The fourth proportional to 609,838.61, 914,674.87 and 160,521.85 is: 240,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,838.61 : 914,674.87 = 160,521.85 : x
  2. Step 2: Convert to fraction form
    609,838.61/914,674.87 = 160,521.85/x
  3. Step 3: Cross multiply
    609,838.61x = 914,674.87 × 160,521.85
  4. Step 4: Simplify right side
    609,838.61x = 146,825,299,994.22
  5. Step 5: Solve for x
    x = 146,825,299,994.22/609,838.61
  6. Step 6: Final answer
    x = 240,760.91

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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.