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Finding the Fourth Proportional to 394,526.57, 544,446.50 and 213,238.47

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Solution

The fourth proportional to 394,526.57, 544,446.50 and 213,238.47 is: 294,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,526.57 : 544,446.50 = 213,238.47 : x
  2. Step 2: Convert to fraction form
    394,526.57/544,446.50 = 213,238.47/x
  3. Step 3: Cross multiply
    394,526.57x = 544,446.50 × 213,238.47
  4. Step 4: Simplify right side
    394,526.57x = 116,096,939,632.34
  5. Step 5: Solve for x
    x = 116,096,939,632.34/394,526.57
  6. Step 6: Final answer
    x = 294,269.00

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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.