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Finding the Fourth Proportional to 394,808.16, 544,838.52 and 225,053.22

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Solution

The fourth proportional to 394,808.16, 544,838.52 and 225,053.22 is: 310,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,808.16 : 544,838.52 = 225,053.22 : x
  2. Step 2: Convert to fraction form
    394,808.16/544,838.52 = 225,053.22/x
  3. Step 3: Cross multiply
    394,808.16x = 544,838.52 × 225,053.22
  4. Step 4: Simplify right side
    394,808.16x = 122,617,663,306.03
  5. Step 5: Solve for x
    x = 122,617,663,306.03/394,808.16
  6. Step 6: Final answer
    x = 310,575.30

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