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Finding the Fourth Proportional to 394,277.67, 544,102.65 and 224,511.80

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Solution

The fourth proportional to 394,277.67, 544,102.65 and 224,511.80 is: 309,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,277.67 : 544,102.65 = 224,511.80 : x
  2. Step 2: Convert to fraction form
    394,277.67/544,102.65 = 224,511.80/x
  3. Step 3: Cross multiply
    394,277.67x = 544,102.65 × 224,511.80
  4. Step 4: Simplify right side
    394,277.67x = 122,157,462,615.76
  5. Step 5: Solve for x
    x = 122,157,462,615.76/394,277.67
  6. Step 6: Final answer
    x = 309,825.97

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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.