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Finding the Fourth Proportional to 269,342.80, 404,014.20 and 194,693.20

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Solution

The fourth proportional to 269,342.80, 404,014.20 and 194,693.20 is: 292,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,342.80 : 404,014.20 = 194,693.20 : x
  2. Step 2: Convert to fraction form
    269,342.80/404,014.20 = 194,693.20/x
  3. Step 3: Cross multiply
    269,342.80x = 404,014.20 × 194,693.20
  4. Step 4: Simplify right side
    269,342.80x = 78,658,817,443.44
  5. Step 5: Solve for x
    x = 78,658,817,443.44/269,342.80
  6. Step 6: Final answer
    x = 292,039.80

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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.