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Finding the Fourth Proportional to 394,512.27, 544,624.91 and 258,754.25

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Solution

The fourth proportional to 394,512.27, 544,624.91 and 258,754.25 is: 357,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,512.27 : 544,624.91 = 258,754.25 : x
  2. Step 2: Convert to fraction form
    394,512.27/544,624.91 = 258,754.25/x
  3. Step 3: Cross multiply
    394,512.27x = 544,624.91 × 258,754.25
  4. Step 4: Simplify right side
    394,512.27x = 140,924,009,548.47
  5. Step 5: Solve for x
    x = 140,924,009,548.47/394,512.27
  6. Step 6: Final answer
    x = 357,210.71

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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.