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Finding the Fourth Proportional to 324,087.60, 447,266.36 and 178,922.23

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Solution

The fourth proportional to 324,087.60, 447,266.36 and 178,922.23 is: 246,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,087.60 : 447,266.36 = 178,922.23 : x
  2. Step 2: Convert to fraction form
    324,087.60/447,266.36 = 178,922.23/x
  3. Step 3: Cross multiply
    324,087.60x = 447,266.36 × 178,922.23
  4. Step 4: Simplify right side
    324,087.60x = 80,025,894,535.18
  5. Step 5: Solve for x
    x = 80,025,894,535.18/324,087.60
  6. Step 6: Final answer
    x = 246,926.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.