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Finding the Fourth Proportional to 321,595.54, 481,750.11 and 193,441.08

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Solution

The fourth proportional to 321,595.54, 481,750.11 and 193,441.08 is: 289,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,595.54 : 481,750.11 = 193,441.08 : x
  2. Step 2: Convert to fraction form
    321,595.54/481,750.11 = 193,441.08/x
  3. Step 3: Cross multiply
    321,595.54x = 481,750.11 × 193,441.08
  4. Step 4: Simplify right side
    321,595.54x = 93,190,261,568.52
  5. Step 5: Solve for x
    x = 93,190,261,568.52/321,595.54
  6. Step 6: Final answer
    x = 289,774.73

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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.