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Finding the Fourth Proportional to 350,464.01, 483,639.90 and 189,319.02

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Solution

The fourth proportional to 350,464.01, 483,639.90 and 189,319.02 is: 261,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,464.01 : 483,639.90 = 189,319.02 : x
  2. Step 2: Convert to fraction form
    350,464.01/483,639.90 = 189,319.02/x
  3. Step 3: Cross multiply
    350,464.01x = 483,639.90 × 189,319.02
  4. Step 4: Simplify right side
    350,464.01x = 91,562,231,900.90
  5. Step 5: Solve for x
    x = 91,562,231,900.90/350,464.01
  6. Step 6: Final answer
    x = 261,260.02

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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.