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Finding the Fourth Proportional to 723,191.44, 998,401.44 and 494,093.20

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Solution

The fourth proportional to 723,191.44, 998,401.44 and 494,093.20 is: 682,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,191.44 : 998,401.44 = 494,093.20 : x
  2. Step 2: Convert to fraction form
    723,191.44/998,401.44 = 494,093.20/x
  3. Step 3: Cross multiply
    723,191.44x = 998,401.44 × 494,093.20
  4. Step 4: Simplify right side
    723,191.44x = 493,303,362,374.21
  5. Step 5: Solve for x
    x = 493,303,362,374.21/723,191.44
  6. Step 6: Final answer
    x = 682,120.02

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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.