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Finding the Fourth Proportional to 244,603.80, 366,468.30 and 206,987.40

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Solution

The fourth proportional to 244,603.80, 366,468.30 and 206,987.40 is: 310,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,603.80 : 366,468.30 = 206,987.40 : x
  2. Step 2: Convert to fraction form
    244,603.80/366,468.30 = 206,987.40/x
  3. Step 3: Cross multiply
    244,603.80x = 366,468.30 × 206,987.40
  4. Step 4: Simplify right side
    244,603.80x = 75,854,320,599.42
  5. Step 5: Solve for x
    x = 75,854,320,599.42/244,603.80
  6. Step 6: Final answer
    x = 310,110.97

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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.