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Finding the Fourth Proportional to 335,744.80, 504,200.40 and 325,247.20

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Solution

The fourth proportional to 335,744.80, 504,200.40 and 325,247.20 is: 488,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,744.80 : 504,200.40 = 325,247.20 : x
  2. Step 2: Convert to fraction form
    335,744.80/504,200.40 = 325,247.20/x
  3. Step 3: Cross multiply
    335,744.80x = 504,200.40 × 325,247.20
  4. Step 4: Simplify right side
    335,744.80x = 163,989,768,338.88
  5. Step 5: Solve for x
    x = 163,989,768,338.88/335,744.80
  6. Step 6: Final answer
    x = 488,435.77

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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.