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Finding the Fourth Proportional to 454,912.81, 680,969.54 and 296,800.81

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Solution

The fourth proportional to 454,912.81, 680,969.54 and 296,800.81 is: 444,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,912.81 : 680,969.54 = 296,800.81 : x
  2. Step 2: Convert to fraction form
    454,912.81/680,969.54 = 296,800.81/x
  3. Step 3: Cross multiply
    454,912.81x = 680,969.54 × 296,800.81
  4. Step 4: Simplify right side
    454,912.81x = 202,112,309,573.32
  5. Step 5: Solve for x
    x = 202,112,309,573.32/454,912.81
  6. Step 6: Final answer
    x = 444,288.02

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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.