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Finding the Fourth Proportional to 483,878.60, 667,714.62 and 269,005.58

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Solution

The fourth proportional to 483,878.60, 667,714.62 and 269,005.58 is: 371,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,878.60 : 667,714.62 = 269,005.58 : x
  2. Step 2: Convert to fraction form
    483,878.60/667,714.62 = 269,005.58/x
  3. Step 3: Cross multiply
    483,878.60x = 667,714.62 × 269,005.58
  4. Step 4: Simplify right side
    483,878.60x = 179,618,958,627.58
  5. Step 5: Solve for x
    x = 179,618,958,627.58/483,878.60
  6. Step 6: Final answer
    x = 371,206.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.