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Finding the Fourth Proportional to 259,620.80, 363,994 and 259,620.80

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Solution

The fourth proportional to 259,620.80, 363,994 and 259,620.80 is: 363,994

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,620.80 : 363,994 = 259,620.80 : x
  2. Step 2: Convert to fraction form
    259,620.80/363,994 = 259,620.80/x
  3. Step 3: Cross multiply
    259,620.80x = 363,994 × 259,620.80
  4. Step 4: Simplify right side
    259,620.80x = 94,500,413,475.20
  5. Step 5: Solve for x
    x = 94,500,413,475.20/259,620.80
  6. Step 6: Final answer
    x = 363,994

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.