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Finding the Fourth Proportional to 454,970.56, 682,536.06 and 155,380.92

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Solution

The fourth proportional to 454,970.56, 682,536.06 and 155,380.92 is: 233,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,970.56 : 682,536.06 = 155,380.92 : x
  2. Step 2: Convert to fraction form
    454,970.56/682,536.06 = 155,380.92/x
  3. Step 3: Cross multiply
    454,970.56x = 682,536.06 × 155,380.92
  4. Step 4: Simplify right side
    454,970.56x = 106,053,080,935.98
  5. Step 5: Solve for x
    x = 106,053,080,935.98/454,970.56
  6. Step 6: Final answer
    x = 233,098.78

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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.