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Finding the Fourth Proportional to 397,267.30, 594,916.80 and 254,893.60

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Solution

The fourth proportional to 397,267.30, 594,916.80 and 254,893.60 is: 381,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,267.30 : 594,916.80 = 254,893.60 : x
  2. Step 2: Convert to fraction form
    397,267.30/594,916.80 = 254,893.60/x
  3. Step 3: Cross multiply
    397,267.30x = 594,916.80 × 254,893.60
  4. Step 4: Simplify right side
    397,267.30x = 151,640,484,852.48
  5. Step 5: Solve for x
    x = 151,640,484,852.48/397,267.30
  6. Step 6: Final answer
    x = 381,708.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.