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Finding the Fourth Proportional to 1,088,692.56, 1,629,544.88 and 581,986.80

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Solution

The fourth proportional to 1,088,692.56, 1,629,544.88 and 581,986.80 is: 871,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,692.56 : 1,629,544.88 = 581,986.80 : x
  2. Step 2: Convert to fraction form
    1,088,692.56/1,629,544.88 = 581,986.80/x
  3. Step 3: Cross multiply
    1,088,692.56x = 1,629,544.88 × 581,986.80
  4. Step 4: Simplify right side
    1,088,692.56x = 948,373,610,167.58
  5. Step 5: Solve for x
    x = 948,373,610,167.58/1,088,692.56
  6. Step 6: Final answer
    x = 871,112.42

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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.