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Finding the Fourth Proportional to 350,339.20, 483,468.56 and 199,436

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Solution

The fourth proportional to 350,339.20, 483,468.56 and 199,436 is: 275,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,339.20 : 483,468.56 = 199,436 : x
  2. Step 2: Convert to fraction form
    350,339.20/483,468.56 = 199,436/x
  3. Step 3: Cross multiply
    350,339.20x = 483,468.56 × 199,436
  4. Step 4: Simplify right side
    350,339.20x = 96,421,035,732.16
  5. Step 5: Solve for x
    x = 96,421,035,732.16/350,339.20
  6. Step 6: Final answer
    x = 275,221.94

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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.