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Finding the Fourth Proportional to 270,035.60, 405,004.80 and 170,016.80

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Solution

The fourth proportional to 270,035.60, 405,004.80 and 170,016.80 is: 254,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,035.60 : 405,004.80 = 170,016.80 : x
  2. Step 2: Convert to fraction form
    270,035.60/405,004.80 = 170,016.80/x
  3. Step 3: Cross multiply
    270,035.60x = 405,004.80 × 170,016.80
  4. Step 4: Simplify right side
    270,035.60x = 68,857,620,080.64
  5. Step 5: Solve for x
    x = 68,857,620,080.64/270,035.60
  6. Step 6: Final answer
    x = 254,994.60

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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.