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Finding the Fourth Proportional to 554,611.10, 831,916.66 and 180,634.10

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Solution

The fourth proportional to 554,611.10, 831,916.66 and 180,634.10 is: 270,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,611.10 : 831,916.66 = 180,634.10 : x
  2. Step 2: Convert to fraction form
    554,611.10/831,916.66 = 180,634.10/x
  3. Step 3: Cross multiply
    554,611.10x = 831,916.66 × 180,634.10
  4. Step 4: Simplify right side
    554,611.10x = 150,272,517,154.11
  5. Step 5: Solve for x
    x = 150,272,517,154.11/554,611.10
  6. Step 6: Final answer
    x = 270,951.15

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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.