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Finding the Fourth Proportional to 550,577.70, 825,672.15 and 195,603.30

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Solution

The fourth proportional to 550,577.70, 825,672.15 and 195,603.30 is: 293,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,577.70 : 825,672.15 = 195,603.30 : x
  2. Step 2: Convert to fraction form
    550,577.70/825,672.15 = 195,603.30/x
  3. Step 3: Cross multiply
    550,577.70x = 825,672.15 × 195,603.30
  4. Step 4: Simplify right side
    550,577.70x = 161,504,197,258.10
  5. Step 5: Solve for x
    x = 161,504,197,258.10/550,577.70
  6. Step 6: Final answer
    x = 293,335.89

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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.