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Finding the Fourth Proportional to 350,688.36, 483,949.73 and 189,543.42

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Solution

The fourth proportional to 350,688.36, 483,949.73 and 189,543.42 is: 261,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,688.36 : 483,949.73 = 189,543.42 : x
  2. Step 2: Convert to fraction form
    350,688.36/483,949.73 = 189,543.42/x
  3. Step 3: Cross multiply
    350,688.36x = 483,949.73 × 189,543.42
  4. Step 4: Simplify right side
    350,688.36x = 91,729,483,564.81
  5. Step 5: Solve for x
    x = 91,729,483,564.81/350,688.36
  6. Step 6: Final answer
    x = 261,569.80

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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.