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Finding the Fourth Proportional to 223,546.80, 335,320.20 and 208,675.20

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Solution

The fourth proportional to 223,546.80, 335,320.20 and 208,675.20 is: 313,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,546.80 : 335,320.20 = 208,675.20 : x
  2. Step 2: Convert to fraction form
    223,546.80/335,320.20 = 208,675.20/x
  3. Step 3: Cross multiply
    223,546.80x = 335,320.20 × 208,675.20
  4. Step 4: Simplify right side
    223,546.80x = 69,973,009,799.04
  5. Step 5: Solve for x
    x = 69,973,009,799.04/223,546.80
  6. Step 6: Final answer
    x = 313,012.80

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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.