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Finding the Fourth Proportional to 262,800.15, 394,226.03 and 70,672.20

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Solution

The fourth proportional to 262,800.15, 394,226.03 and 70,672.20 is: 106,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,800.15 : 394,226.03 = 70,672.20 : x
  2. Step 2: Convert to fraction form
    262,800.15/394,226.03 = 70,672.20/x
  3. Step 3: Cross multiply
    262,800.15x = 394,226.03 × 70,672.20
  4. Step 4: Simplify right side
    262,800.15x = 27,860,820,837.37
  5. Step 5: Solve for x
    x = 27,860,820,837.37/262,800.15
  6. Step 6: Final answer
    x = 106,015.24

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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.