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Finding the Fourth Proportional to 524,855.92, 787,408.80 and 169,869.94

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Solution

The fourth proportional to 524,855.92, 787,408.80 and 169,869.94 is: 254,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,855.92 : 787,408.80 = 169,869.94 : x
  2. Step 2: Convert to fraction form
    524,855.92/787,408.80 = 169,869.94/x
  3. Step 3: Cross multiply
    524,855.92x = 787,408.80 × 169,869.94
  4. Step 4: Simplify right side
    524,855.92x = 133,757,085,611.47
  5. Step 5: Solve for x
    x = 133,757,085,611.47/524,855.92
  6. Step 6: Final answer
    x = 254,845.34

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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.