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Finding the Fourth Proportional to 351,410.49, 484,944.41 and 190,262.15

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Solution

The fourth proportional to 351,410.49, 484,944.41 and 190,262.15 is: 262,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,410.49 : 484,944.41 = 190,262.15 : x
  2. Step 2: Convert to fraction form
    351,410.49/484,944.41 = 190,262.15/x
  3. Step 3: Cross multiply
    351,410.49x = 484,944.41 × 190,262.15
  4. Step 4: Simplify right side
    351,410.49x = 92,266,562,701.05
  5. Step 5: Solve for x
    x = 92,266,562,701.05/351,410.49
  6. Step 6: Final answer
    x = 262,560.64

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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.