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Finding the Fourth Proportional to 442,074.26, 610,054.26 and 245,852.78

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Solution

The fourth proportional to 442,074.26, 610,054.26 and 245,852.78 is: 339,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,074.26 : 610,054.26 = 245,852.78 : x
  2. Step 2: Convert to fraction form
    442,074.26/610,054.26 = 245,852.78/x
  3. Step 3: Cross multiply
    442,074.26x = 610,054.26 × 245,852.78
  4. Step 4: Simplify right side
    442,074.26x = 149,983,535,771.84
  5. Step 5: Solve for x
    x = 149,983,535,771.84/442,074.26
  6. Step 6: Final answer
    x = 339,272.27

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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.