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Finding the Fourth Proportional to 259,234.60, 363,978.20 and 259,234.60

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Solution

The fourth proportional to 259,234.60, 363,978.20 and 259,234.60 is: 363,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,234.60 : 363,978.20 = 259,234.60 : x
  2. Step 2: Convert to fraction form
    259,234.60/363,978.20 = 259,234.60/x
  3. Step 3: Cross multiply
    259,234.60x = 363,978.20 × 259,234.60
  4. Step 4: Simplify right side
    259,234.60x = 94,355,743,085.72
  5. Step 5: Solve for x
    x = 94,355,743,085.72/259,234.60
  6. Step 6: Final answer
    x = 363,978.20

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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.