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Finding the Fourth Proportional to 567,787.20, 851,623.20 and 193,804.80

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Solution

The fourth proportional to 567,787.20, 851,623.20 and 193,804.80 is: 290,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,787.20 : 851,623.20 = 193,804.80 : x
  2. Step 2: Convert to fraction form
    567,787.20/851,623.20 = 193,804.80/x
  3. Step 3: Cross multiply
    567,787.20x = 851,623.20 × 193,804.80
  4. Step 4: Simplify right side
    567,787.20x = 165,048,663,951.36
  5. Step 5: Solve for x
    x = 165,048,663,951.36/567,787.20
  6. Step 6: Final answer
    x = 290,687.54

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1.5x scale

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.