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Finding the Fourth Proportional to 351,148.92, 484,582.02 and 190,000.44

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Solution

The fourth proportional to 351,148.92, 484,582.02 and 190,000.44 is: 262,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.92 : 484,582.02 = 190,000.44 : x
  2. Step 2: Convert to fraction form
    351,148.92/484,582.02 = 190,000.44/x
  3. Step 3: Cross multiply
    351,148.92x = 484,582.02 × 190,000.44
  4. Step 4: Simplify right side
    351,148.92x = 92,070,797,016.09
  5. Step 5: Solve for x
    x = 92,070,797,016.09/351,148.92
  6. Step 6: Final answer
    x = 262,198.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.