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Finding the Fourth Proportional to 394,414.16, 544,402.96 and 233,325.14

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Solution

The fourth proportional to 394,414.16, 544,402.96 and 233,325.14 is: 322,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,414.16 : 544,402.96 = 233,325.14 : x
  2. Step 2: Convert to fraction form
    394,414.16/544,402.96 = 233,325.14/x
  3. Step 3: Cross multiply
    394,414.16x = 544,402.96 × 233,325.14
  4. Step 4: Simplify right side
    394,414.16x = 127,022,893,553.09
  5. Step 5: Solve for x
    x = 127,022,893,553.09/394,414.16
  6. Step 6: Final answer
    x = 322,054.60

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1.5x scale

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.