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Finding the Fourth Proportional to 365,725.20, 548,587.80 and 188,578.20

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Solution

The fourth proportional to 365,725.20, 548,587.80 and 188,578.20 is: 282,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,725.20 : 548,587.80 = 188,578.20 : x
  2. Step 2: Convert to fraction form
    365,725.20/548,587.80 = 188,578.20/x
  3. Step 3: Cross multiply
    365,725.20x = 548,587.80 × 188,578.20
  4. Step 4: Simplify right side
    365,725.20x = 103,451,699,865.96
  5. Step 5: Solve for x
    x = 103,451,699,865.96/365,725.20
  6. Step 6: Final answer
    x = 282,867.30

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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.