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Finding the Fourth Proportional to 352,060.54, 485,843.67 and 190,915.54

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Solution

The fourth proportional to 352,060.54, 485,843.67 and 190,915.54 is: 263,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,060.54 : 485,843.67 = 190,915.54 : x
  2. Step 2: Convert to fraction form
    352,060.54/485,843.67 = 190,915.54/x
  3. Step 3: Cross multiply
    352,060.54x = 485,843.67 × 190,915.54
  4. Step 4: Simplify right side
    352,060.54x = 92,755,106,975.83
  5. Step 5: Solve for x
    x = 92,755,106,975.83/352,060.54
  6. Step 6: Final answer
    x = 263,463.52

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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.