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Finding the Fourth Proportional to 260,019, 390,028.56 and 63,027

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Solution

The fourth proportional to 260,019, 390,028.56 and 63,027 is: 94,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,019 : 390,028.56 = 63,027 : x
  2. Step 2: Convert to fraction form
    260,019/390,028.56 = 63,027/x
  3. Step 3: Cross multiply
    260,019x = 390,028.56 × 63,027
  4. Step 4: Simplify right side
    260,019x = 24,582,330,051.12
  5. Step 5: Solve for x
    x = 24,582,330,051.12/260,019
  6. Step 6: Final answer
    x = 94,540.51

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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.