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Finding the Fourth Proportional to 554,895.15, 831,843.14 and 199,659.38

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Solution

The fourth proportional to 554,895.15, 831,843.14 and 199,659.38 is: 299,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,895.15 : 831,843.14 = 199,659.38 : x
  2. Step 2: Convert to fraction form
    554,895.15/831,843.14 = 199,659.38/x
  3. Step 3: Cross multiply
    554,895.15x = 831,843.14 × 199,659.38
  4. Step 4: Simplify right side
    554,895.15x = 166,085,280,432.14
  5. Step 5: Solve for x
    x = 166,085,280,432.14/554,895.15
  6. Step 6: Final answer
    x = 299,309.30

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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.