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Finding the Fourth Proportional to 662,994.48, 994,501.44 and 189,680.70

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Solution

The fourth proportional to 662,994.48, 994,501.44 and 189,680.70 is: 284,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,994.48 : 994,501.44 = 189,680.70 : x
  2. Step 2: Convert to fraction form
    662,994.48/994,501.44 = 189,680.70/x
  3. Step 3: Cross multiply
    662,994.48x = 994,501.44 × 189,680.70
  4. Step 4: Simplify right side
    662,994.48x = 188,637,729,290.21
  5. Step 5: Solve for x
    x = 188,637,729,290.21/662,994.48
  6. Step 6: Final answer
    x = 284,523.83

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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.