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Finding the Fourth Proportional to 394,555.72, 544,458.90 and 224,758.60

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Solution

The fourth proportional to 394,555.72, 544,458.90 and 224,758.60 is: 310,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,555.72 : 544,458.90 = 224,758.60 : x
  2. Step 2: Convert to fraction form
    394,555.72/544,458.90 = 224,758.60/x
  3. Step 3: Cross multiply
    394,555.72x = 544,458.90 × 224,758.60
  4. Step 4: Simplify right side
    394,555.72x = 122,371,820,121.54
  5. Step 5: Solve for x
    x = 122,371,820,121.54/394,555.72
  6. Step 6: Final answer
    x = 310,150.92

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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.