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Finding the Fourth Proportional to 259,621.30, 363,994.70 and 259,621.30

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Solution

The fourth proportional to 259,621.30, 363,994.70 and 259,621.30 is: 363,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,621.30 : 363,994.70 = 259,621.30 : x
  2. Step 2: Convert to fraction form
    259,621.30/363,994.70 = 259,621.30/x
  3. Step 3: Cross multiply
    259,621.30x = 363,994.70 × 259,621.30
  4. Step 4: Simplify right side
    259,621.30x = 94,500,777,207.11
  5. Step 5: Solve for x
    x = 94,500,777,207.11/259,621.30
  6. Step 6: Final answer
    x = 363,994.70

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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.