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Finding the Fourth Proportional to 321,596.04, 481,750.86 and 193,441.58

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Solution

The fourth proportional to 321,596.04, 481,750.86 and 193,441.58 is: 289,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,596.04 : 481,750.86 = 193,441.58 : x
  2. Step 2: Convert to fraction form
    321,596.04/481,750.86 = 193,441.58/x
  3. Step 3: Cross multiply
    321,596.04x = 481,750.86 × 193,441.58
  4. Step 4: Simplify right side
    321,596.04x = 93,190,647,524.76
  5. Step 5: Solve for x
    x = 93,190,647,524.76/321,596.04
  6. Step 6: Final answer
    x = 289,775.48

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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.