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Finding the Fourth Proportional to 454,912.56, 680,969.16 and 296,800.56

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Solution

The fourth proportional to 454,912.56, 680,969.16 and 296,800.56 is: 444,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,912.56 : 680,969.16 = 296,800.56 : x
  2. Step 2: Convert to fraction form
    454,912.56/680,969.16 = 296,800.56/x
  3. Step 3: Cross multiply
    454,912.56x = 680,969.16 × 296,800.56
  4. Step 4: Simplify right side
    454,912.56x = 202,112,028,030.73
  5. Step 5: Solve for x
    x = 202,112,028,030.73/454,912.56
  6. Step 6: Final answer
    x = 444,287.64

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1.5x scale

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.