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Finding the Fourth Proportional to 350,665, 483,917.70 and 199,762

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Solution

The fourth proportional to 350,665, 483,917.70 and 199,762 is: 275,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,665 : 483,917.70 = 199,762 : x
  2. Step 2: Convert to fraction form
    350,665/483,917.70 = 199,762/x
  3. Step 3: Cross multiply
    350,665x = 483,917.70 × 199,762
  4. Step 4: Simplify right side
    350,665x = 96,668,367,587.40
  5. Step 5: Solve for x
    x = 96,668,367,587.40/350,665
  6. Step 6: Final answer
    x = 275,671.56

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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.