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Finding the Fourth Proportional to 377,793.20, 566,171.40 and 307,809.20

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Solution

The fourth proportional to 377,793.20, 566,171.40 and 307,809.20 is: 461,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,793.20 : 566,171.40 = 307,809.20 : x
  2. Step 2: Convert to fraction form
    377,793.20/566,171.40 = 307,809.20/x
  3. Step 3: Cross multiply
    377,793.20x = 566,171.40 × 307,809.20
  4. Step 4: Simplify right side
    377,793.20x = 174,272,765,696.88
  5. Step 5: Solve for x
    x = 174,272,765,696.88/377,793.20
  6. Step 6: Final answer
    x = 461,291.43

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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.