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Finding the Fourth Proportional to 662,610.80, 993,924.84 and 189,311.60

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Solution

The fourth proportional to 662,610.80, 993,924.84 and 189,311.60 is: 283,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,610.80 : 993,924.84 = 189,311.60 : x
  2. Step 2: Convert to fraction form
    662,610.80/993,924.84 = 189,311.60/x
  3. Step 3: Cross multiply
    662,610.80x = 993,924.84 × 189,311.60
  4. Step 4: Simplify right side
    662,610.80x = 188,161,501,740.14
  5. Step 5: Solve for x
    x = 188,161,501,740.14/662,610.80
  6. Step 6: Final answer
    x = 283,969.87

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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.