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Finding the Fourth Proportional to 672,103.44, 927,502.25 and 370,297.44

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Solution

The fourth proportional to 672,103.44, 927,502.25 and 370,297.44 is: 511,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,103.44 : 927,502.25 = 370,297.44 : x
  2. Step 2: Convert to fraction form
    672,103.44/927,502.25 = 370,297.44/x
  3. Step 3: Cross multiply
    672,103.44x = 927,502.25 × 370,297.44
  4. Step 4: Simplify right side
    672,103.44x = 343,451,706,917.75
  5. Step 5: Solve for x
    x = 343,451,706,917.75/672,103.44
  6. Step 6: Final answer
    x = 511,010.19

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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.