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Finding the Fourth Proportional to 368,184.67, 551,391.26 and 209,933.35

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Solution

The fourth proportional to 368,184.67, 551,391.26 and 209,933.35 is: 314,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,184.67 : 551,391.26 = 209,933.35 : x
  2. Step 2: Convert to fraction form
    368,184.67/551,391.26 = 209,933.35/x
  3. Step 3: Cross multiply
    368,184.67x = 551,391.26 × 209,933.35
  4. Step 4: Simplify right side
    368,184.67x = 115,755,410,565.90
  5. Step 5: Solve for x
    x = 115,755,410,565.90/368,184.67
  6. Step 6: Final answer
    x = 314,394.98

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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.