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Finding the Fourth Proportional to 321,191.87, 481,788.16 and 96,552.28

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Solution

The fourth proportional to 321,191.87, 481,788.16 and 96,552.28 is: 144,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,191.87 : 481,788.16 = 96,552.28 : x
  2. Step 2: Convert to fraction form
    321,191.87/481,788.16 = 96,552.28/x
  3. Step 3: Cross multiply
    321,191.87x = 481,788.16 × 96,552.28
  4. Step 4: Simplify right side
    321,191.87x = 46,517,745,325.00
  5. Step 5: Solve for x
    x = 46,517,745,325.00/321,191.87
  6. Step 6: Final answer
    x = 144,828.53

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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.