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Finding the Fourth Proportional to 394,446.46, 544,374.21 and 233,353.30

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Solution

The fourth proportional to 394,446.46, 544,374.21 and 233,353.30 is: 322,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,446.46 : 544,374.21 = 233,353.30 : x
  2. Step 2: Convert to fraction form
    394,446.46/544,374.21 = 233,353.30/x
  3. Step 3: Cross multiply
    394,446.46x = 544,374.21 × 233,353.30
  4. Step 4: Simplify right side
    394,446.46x = 127,031,518,338.39
  5. Step 5: Solve for x
    x = 127,031,518,338.39/394,446.46
  6. Step 6: Final answer
    x = 322,050.09

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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.