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Finding the Fourth Proportional to 995,898, 1,493,915.04 and 285,871.44

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Solution

The fourth proportional to 995,898, 1,493,915.04 and 285,871.44 is: 428,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,898 : 1,493,915.04 = 285,871.44 : x
  2. Step 2: Convert to fraction form
    995,898/1,493,915.04 = 285,871.44/x
  3. Step 3: Cross multiply
    995,898x = 1,493,915.04 × 285,871.44
  4. Step 4: Simplify right side
    995,898x = 427,067,643,722.46
  5. Step 5: Solve for x
    x = 427,067,643,722.46/995,898
  6. Step 6: Final answer
    x = 428,826.69

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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.