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Finding the Fourth Proportional to 269,679.60, 404,852.20 and 169,839.60

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Solution

The fourth proportional to 269,679.60, 404,852.20 and 169,839.60 is: 254,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,679.60 : 404,852.20 = 169,839.60 : x
  2. Step 2: Convert to fraction form
    269,679.60/404,852.20 = 169,839.60/x
  3. Step 3: Cross multiply
    269,679.60x = 404,852.20 × 169,839.60
  4. Step 4: Simplify right side
    269,679.60x = 68,759,935,707.12
  5. Step 5: Solve for x
    x = 68,759,935,707.12/269,679.60
  6. Step 6: Final answer
    x = 254,968.99

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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.