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Finding the Fourth Proportional to 454,994.04, 682,622.22 and 139,497.48

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Solution

The fourth proportional to 454,994.04, 682,622.22 and 139,497.48 is: 209,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,994.04 : 682,622.22 = 139,497.48 : x
  2. Step 2: Convert to fraction form
    454,994.04/682,622.22 = 139,497.48/x
  3. Step 3: Cross multiply
    454,994.04x = 682,622.22 × 139,497.48
  4. Step 4: Simplify right side
    454,994.04x = 95,224,079,482.01
  5. Step 5: Solve for x
    x = 95,224,079,482.01/454,994.04
  6. Step 6: Final answer
    x = 209,286.43

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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.