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Finding the Fourth Proportional to 350,742.72, 484,028.52 and 189,600.96

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Solution

The fourth proportional to 350,742.72, 484,028.52 and 189,600.96 is: 261,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,742.72 : 484,028.52 = 189,600.96 : x
  2. Step 2: Convert to fraction form
    350,742.72/484,028.52 = 189,600.96/x
  3. Step 3: Cross multiply
    350,742.72x = 484,028.52 × 189,600.96
  4. Step 4: Simplify right side
    350,742.72x = 91,772,272,059.38
  5. Step 5: Solve for x
    x = 91,772,272,059.38/350,742.72
  6. Step 6: Final answer
    x = 261,651.25

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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.