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Finding the Fourth Proportional to 454,810.60, 682,215.90 and 159,322.60

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Solution

The fourth proportional to 454,810.60, 682,215.90 and 159,322.60 is: 238,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,810.60 : 682,215.90 = 159,322.60 : x
  2. Step 2: Convert to fraction form
    454,810.60/682,215.90 = 159,322.60/x
  3. Step 3: Cross multiply
    454,810.60x = 682,215.90 × 159,322.60
  4. Step 4: Simplify right side
    454,810.60x = 108,692,410,949.34
  5. Step 5: Solve for x
    x = 108,692,410,949.34/454,810.60
  6. Step 6: Final answer
    x = 238,983.90

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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.