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Finding the Fourth Proportional to 436,907.82, 655,616.48 and 184,172.84

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Solution

The fourth proportional to 436,907.82, 655,616.48 and 184,172.84 is: 276,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,907.82 : 655,616.48 = 184,172.84 : x
  2. Step 2: Convert to fraction form
    436,907.82/655,616.48 = 184,172.84/x
  3. Step 3: Cross multiply
    436,907.82x = 655,616.48 × 184,172.84
  4. Step 4: Simplify right side
    436,907.82x = 120,746,744,873.46
  5. Step 5: Solve for x
    x = 120,746,744,873.46/436,907.82
  6. Step 6: Final answer
    x = 276,366.64

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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.