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Finding the Fourth Proportional to 449,794.65, 620,699.59 and 245,843.89

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Solution

The fourth proportional to 449,794.65, 620,699.59 and 245,843.89 is: 339,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,794.65 : 620,699.59 = 245,843.89 : x
  2. Step 2: Convert to fraction form
    449,794.65/620,699.59 = 245,843.89/x
  3. Step 3: Cross multiply
    449,794.65x = 620,699.59 × 245,843.89
  4. Step 4: Simplify right side
    449,794.65x = 152,595,200,482.56
  5. Step 5: Solve for x
    x = 152,595,200,482.56/449,794.65
  6. Step 6: Final answer
    x = 339,255.26

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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.