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Finding the Fourth Proportional to 333,974.70, 501,022.80 and 109,272.60

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Solution

The fourth proportional to 333,974.70, 501,022.80 and 109,272.60 is: 163,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,974.70 : 501,022.80 = 109,272.60 : x
  2. Step 2: Convert to fraction form
    333,974.70/501,022.80 = 109,272.60/x
  3. Step 3: Cross multiply
    333,974.70x = 501,022.80 × 109,272.60
  4. Step 4: Simplify right side
    333,974.70x = 54,748,064,015.28
  5. Step 5: Solve for x
    x = 54,748,064,015.28/333,974.70
  6. Step 6: Final answer
    x = 163,928.78

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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.