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Finding the Fourth Proportional to 321,463.59, 481,728.83 and 180,922.11

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Solution

The fourth proportional to 321,463.59, 481,728.83 and 180,922.11 is: 271,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,463.59 : 481,728.83 = 180,922.11 : x
  2. Step 2: Convert to fraction form
    321,463.59/481,728.83 = 180,922.11/x
  3. Step 3: Cross multiply
    321,463.59x = 481,728.83 × 180,922.11
  4. Step 4: Simplify right side
    321,463.59x = 87,155,395,466.82
  5. Step 5: Solve for x
    x = 87,155,395,466.82/321,463.59
  6. Step 6: Final answer
    x = 271,120.58

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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.