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Finding the Fourth Proportional to 554,611.29, 831,916.94 and 180,634.29

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Solution

The fourth proportional to 554,611.29, 831,916.94 and 180,634.29 is: 270,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,611.29 : 831,916.94 = 180,634.29 : x
  2. Step 2: Convert to fraction form
    554,611.29/831,916.94 = 180,634.29/x
  3. Step 3: Cross multiply
    554,611.29x = 831,916.94 × 180,634.29
  4. Step 4: Simplify right side
    554,611.29x = 150,272,725,795.87
  5. Step 5: Solve for x
    x = 150,272,725,795.87/554,611.29
  6. Step 6: Final answer
    x = 270,951.44

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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.