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Finding the Fourth Proportional to 394,667.92, 544,278.28 and 258,652.32

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Solution

The fourth proportional to 394,667.92, 544,278.28 and 258,652.32 is: 356,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,667.92 : 544,278.28 = 258,652.32 : x
  2. Step 2: Convert to fraction form
    394,667.92/544,278.28 = 258,652.32/x
  3. Step 3: Cross multiply
    394,667.92x = 544,278.28 × 258,652.32
  4. Step 4: Simplify right side
    394,667.92x = 140,778,839,847.61
  5. Step 5: Solve for x
    x = 140,778,839,847.61/394,667.92
  6. Step 6: Final answer
    x = 356,702.01

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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.