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Finding the Fourth Proportional to 493,063.29, 741,355.47 and 454,090.95

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Solution

The fourth proportional to 493,063.29, 741,355.47 and 454,090.95 is: 682,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,063.29 : 741,355.47 = 454,090.95 : x
  2. Step 2: Convert to fraction form
    493,063.29/741,355.47 = 454,090.95/x
  3. Step 3: Cross multiply
    493,063.29x = 741,355.47 × 454,090.95
  4. Step 4: Simplify right side
    493,063.29x = 336,642,809,660.00
  5. Step 5: Solve for x
    x = 336,642,809,660.00/493,063.29
  6. Step 6: Final answer
    x = 682,757.81

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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.