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Finding the Fourth Proportional to 301,539.88, 454,477.25 and 259,922.26

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Solution

The fourth proportional to 301,539.88, 454,477.25 and 259,922.26 is: 391,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,539.88 : 454,477.25 = 259,922.26 : x
  2. Step 2: Convert to fraction form
    301,539.88/454,477.25 = 259,922.26/x
  3. Step 3: Cross multiply
    301,539.88x = 454,477.25 × 259,922.26
  4. Step 4: Simplify right side
    301,539.88x = 118,128,753,938.59
  5. Step 5: Solve for x
    x = 118,128,753,938.59/301,539.88
  6. Step 6: Final answer
    x = 391,751.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.