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Finding the Fourth Proportional to 663,080.09, 994,620.11 and 242,355.96

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Solution

The fourth proportional to 663,080.09, 994,620.11 and 242,355.96 is: 363,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,080.09 : 994,620.11 = 242,355.96 : x
  2. Step 2: Convert to fraction form
    663,080.09/994,620.11 = 242,355.96/x
  3. Step 3: Cross multiply
    663,080.09x = 994,620.11 × 242,355.96
  4. Step 4: Simplify right side
    663,080.09x = 241,052,110,382.58
  5. Step 5: Solve for x
    x = 241,052,110,382.58/663,080.09
  6. Step 6: Final answer
    x = 363,533.93

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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.