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Finding the Fourth Proportional to 367,620.94, 551,039.37 and 209,508.94

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Solution

The fourth proportional to 367,620.94, 551,039.37 and 209,508.94 is: 314,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,620.94 : 551,039.37 = 209,508.94 : x
  2. Step 2: Convert to fraction form
    367,620.94/551,039.37 = 209,508.94/x
  3. Step 3: Cross multiply
    367,620.94x = 551,039.37 × 209,508.94
  4. Step 4: Simplify right side
    367,620.94x = 115,447,674,306.97
  5. Step 5: Solve for x
    x = 115,447,674,306.97/367,620.94
  6. Step 6: Final answer
    x = 314,039.98

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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.