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Finding the Fourth Proportional to 322,637.89, 484,055.30 and 164,977.09

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Solution

The fourth proportional to 322,637.89, 484,055.30 and 164,977.09 is: 247,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,637.89 : 484,055.30 = 164,977.09 : x
  2. Step 2: Convert to fraction form
    322,637.89/484,055.30 = 164,977.09/x
  3. Step 3: Cross multiply
    322,637.89x = 484,055.30 × 164,977.09
  4. Step 4: Simplify right side
    322,637.89x = 79,858,033,968.19
  5. Step 5: Solve for x
    x = 79,858,033,968.19/322,637.89
  6. Step 6: Final answer
    x = 247,515.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.