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Finding the Fourth Proportional to 436,704.88, 602,664.51 and 245,725.06

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Solution

The fourth proportional to 436,704.88, 602,664.51 and 245,725.06 is: 339,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,704.88 : 602,664.51 = 245,725.06 : x
  2. Step 2: Convert to fraction form
    436,704.88/602,664.51 = 245,725.06/x
  3. Step 3: Cross multiply
    436,704.88x = 602,664.51 × 245,725.06
  4. Step 4: Simplify right side
    436,704.88x = 148,089,772,879.62
  5. Step 5: Solve for x
    x = 148,089,772,879.62/436,704.88
  6. Step 6: Final answer
    x = 339,107.21

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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.