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Finding the Fourth Proportional to 335,963.20, 504,090.60 and 169,751.20

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Solution

The fourth proportional to 335,963.20, 504,090.60 and 169,751.20 is: 254,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,963.20 : 504,090.60 = 169,751.20 : x
  2. Step 2: Convert to fraction form
    335,963.20/504,090.60 = 169,751.20/x
  3. Step 3: Cross multiply
    335,963.20x = 504,090.60 × 169,751.20
  4. Step 4: Simplify right side
    335,963.20x = 85,569,984,258.72
  5. Step 5: Solve for x
    x = 85,569,984,258.72/335,963.20
  6. Step 6: Final answer
    x = 254,700.47

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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.