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Finding the Fourth Proportional to 609,897.96, 914,803.10 and 189,162.92

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Solution

The fourth proportional to 609,897.96, 914,803.10 and 189,162.92 is: 283,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,897.96 : 914,803.10 = 189,162.92 : x
  2. Step 2: Convert to fraction form
    609,897.96/914,803.10 = 189,162.92/x
  3. Step 3: Cross multiply
    609,897.96x = 914,803.10 × 189,162.92
  4. Step 4: Simplify right side
    609,897.96x = 173,046,825,621.05
  5. Step 5: Solve for x
    x = 173,046,825,621.05/609,897.96
  6. Step 6: Final answer
    x = 283,730.78

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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.