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Finding the Fourth Proportional to 291,738.68, 436,902.60 and 241,448.60

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Solution

The fourth proportional to 291,738.68, 436,902.60 and 241,448.60 is: 361,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,738.68 : 436,902.60 = 241,448.60 : x
  2. Step 2: Convert to fraction form
    291,738.68/436,902.60 = 241,448.60/x
  3. Step 3: Cross multiply
    291,738.68x = 436,902.60 × 241,448.60
  4. Step 4: Simplify right side
    291,738.68x = 105,489,521,106.36
  5. Step 5: Solve for x
    x = 105,489,521,106.36/291,738.68
  6. Step 6: Final answer
    x = 361,589.08

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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.