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Finding the Fourth Proportional to 275,365.65, 412,969.08 and 75,692.55

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Solution

The fourth proportional to 275,365.65, 412,969.08 and 75,692.55 is: 113,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,365.65 : 412,969.08 = 75,692.55 : x
  2. Step 2: Convert to fraction form
    275,365.65/412,969.08 = 75,692.55/x
  3. Step 3: Cross multiply
    275,365.65x = 412,969.08 × 75,692.55
  4. Step 4: Simplify right side
    275,365.65x = 31,258,682,736.35
  5. Step 5: Solve for x
    x = 31,258,682,736.35/275,365.65
  6. Step 6: Final answer
    x = 113,517.00

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1.5x scale

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.