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Finding the Fourth Proportional to 394,605.81, 544,568.27 and 224,829

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Solution

The fourth proportional to 394,605.81, 544,568.27 and 224,829 is: 310,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,605.81 : 544,568.27 = 224,829 : x
  2. Step 2: Convert to fraction form
    394,605.81/544,568.27 = 224,829/x
  3. Step 3: Cross multiply
    394,605.81x = 544,568.27 × 224,829
  4. Step 4: Simplify right side
    394,605.81x = 122,434,738,451.69
  5. Step 5: Solve for x
    x = 122,434,738,451.69/394,605.81
  6. Step 6: Final answer
    x = 310,271.00

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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.