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Finding the Fourth Proportional to 361,040.67, 498,234.78 and 199,886.04

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Solution

The fourth proportional to 361,040.67, 498,234.78 and 199,886.04 is: 275,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,040.67 : 498,234.78 = 199,886.04 : x
  2. Step 2: Convert to fraction form
    361,040.67/498,234.78 = 199,886.04/x
  3. Step 3: Cross multiply
    361,040.67x = 498,234.78 × 199,886.04
  4. Step 4: Simplify right side
    361,040.67x = 99,590,177,164.47
  5. Step 5: Solve for x
    x = 99,590,177,164.47/361,040.67
  6. Step 6: Final answer
    x = 275,841.99

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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.