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Finding the Fourth Proportional to 335,653.20, 503,755.20 and 333,028.80

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Solution

The fourth proportional to 335,653.20, 503,755.20 and 333,028.80 is: 499,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,653.20 : 503,755.20 = 333,028.80 : x
  2. Step 2: Convert to fraction form
    335,653.20/503,755.20 = 333,028.80/x
  3. Step 3: Cross multiply
    335,653.20x = 503,755.20 × 333,028.80
  4. Step 4: Simplify right side
    335,653.20x = 167,764,989,749.76
  5. Step 5: Solve for x
    x = 167,764,989,749.76/335,653.20
  6. Step 6: Final answer
    x = 499,816.45

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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.