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Finding the Fourth Proportional to 436,797.69, 655,431.96 and 184,253.16

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Solution

The fourth proportional to 436,797.69, 655,431.96 and 184,253.16 is: 276,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,797.69 : 655,431.96 = 184,253.16 : x
  2. Step 2: Convert to fraction form
    436,797.69/655,431.96 = 184,253.16/x
  3. Step 3: Cross multiply
    436,797.69x = 655,431.96 × 184,253.16
  4. Step 4: Simplify right side
    436,797.69x = 120,765,409,794.99
  5. Step 5: Solve for x
    x = 120,765,409,794.99/436,797.69
  6. Step 6: Final answer
    x = 276,479.05

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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.