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Finding the Fourth Proportional to 366,909.63, 550,357.16 and 208,799.25

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Solution

The fourth proportional to 366,909.63, 550,357.16 and 208,799.25 is: 313,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.63 : 550,357.16 = 208,799.25 : x
  2. Step 2: Convert to fraction form
    366,909.63/550,357.16 = 208,799.25/x
  3. Step 3: Cross multiply
    366,909.63x = 550,357.16 × 208,799.25
  4. Step 4: Simplify right side
    366,909.63x = 114,914,161,196.13
  5. Step 5: Solve for x
    x = 114,914,161,196.13/366,909.63
  6. Step 6: Final answer
    x = 313,194.73

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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.