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Finding the Fourth Proportional to 658,241.68, 986,697.60 and 259,162.48

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Solution

The fourth proportional to 658,241.68, 986,697.60 and 259,162.48 is: 388,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,241.68 : 986,697.60 = 259,162.48 : x
  2. Step 2: Convert to fraction form
    658,241.68/986,697.60 = 259,162.48/x
  3. Step 3: Cross multiply
    658,241.68x = 986,697.60 × 259,162.48
  4. Step 4: Simplify right side
    658,241.68x = 255,714,997,026.05
  5. Step 5: Solve for x
    x = 255,714,997,026.05/658,241.68
  6. Step 6: Final answer
    x = 388,481.93

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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.