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Finding the Fourth Proportional to 322,310.56, 483,465.84 and 111,834.40

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Solution

The fourth proportional to 322,310.56, 483,465.84 and 111,834.40 is: 167,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,310.56 : 483,465.84 = 111,834.40 : x
  2. Step 2: Convert to fraction form
    322,310.56/483,465.84 = 111,834.40/x
  3. Step 3: Cross multiply
    322,310.56x = 483,465.84 × 111,834.40
  4. Step 4: Simplify right side
    322,310.56x = 54,068,112,136.90
  5. Step 5: Solve for x
    x = 54,068,112,136.90/322,310.56
  6. Step 6: Final answer
    x = 167,751.60

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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.