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Finding the Fourth Proportional to 339,424.53, 508,361.77 and 162,056.09

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Solution

The fourth proportional to 339,424.53, 508,361.77 and 162,056.09 is: 242,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,424.53 : 508,361.77 = 162,056.09 : x
  2. Step 2: Convert to fraction form
    339,424.53/508,361.77 = 162,056.09/x
  3. Step 3: Cross multiply
    339,424.53x = 508,361.77 × 162,056.09
  4. Step 4: Simplify right side
    339,424.53x = 82,383,122,225.15
  5. Step 5: Solve for x
    x = 82,383,122,225.15/339,424.53
  6. Step 6: Final answer
    x = 242,714.11

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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.