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Finding the Fourth Proportional to 605,028.99, 834,908.31 and 333,043.76

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Solution

The fourth proportional to 605,028.99, 834,908.31 and 333,043.76 is: 459,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,028.99 : 834,908.31 = 333,043.76 : x
  2. Step 2: Convert to fraction form
    605,028.99/834,908.31 = 333,043.76/x
  3. Step 3: Cross multiply
    605,028.99x = 834,908.31 × 333,043.76
  4. Step 4: Simplify right side
    605,028.99x = 278,061,004,904.92
  5. Step 5: Solve for x
    x = 278,061,004,904.92/605,028.99
  6. Step 6: Final answer
    x = 459,582.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.