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Finding the Fourth Proportional to 577,954.84, 797,579 and 319,850.56

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Solution

The fourth proportional to 577,954.84, 797,579 and 319,850.56 is: 441,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,954.84 : 797,579 = 319,850.56 : x
  2. Step 2: Convert to fraction form
    577,954.84/797,579 = 319,850.56/x
  3. Step 3: Cross multiply
    577,954.84x = 797,579 × 319,850.56
  4. Step 4: Simplify right side
    577,954.84x = 255,106,089,794.24
  5. Step 5: Solve for x
    x = 255,106,089,794.24/577,954.84
  6. Step 6: Final answer
    x = 441,394.50

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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.