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Finding the Fourth Proportional to 331,568.90, 497,500.36 and 173,759.84

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Solution

The fourth proportional to 331,568.90, 497,500.36 and 173,759.84 is: 260,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,568.90 : 497,500.36 = 173,759.84 : x
  2. Step 2: Convert to fraction form
    331,568.90/497,500.36 = 173,759.84/x
  3. Step 3: Cross multiply
    331,568.90x = 497,500.36 × 173,759.84
  4. Step 4: Simplify right side
    331,568.90x = 86,445,582,953.54
  5. Step 5: Solve for x
    x = 86,445,582,953.54/331,568.90
  6. Step 6: Final answer
    x = 260,716.80

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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.