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Finding the Fourth Proportional to 920,289.64, 1,269,804.48 and 580,561

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Solution

The fourth proportional to 920,289.64, 1,269,804.48 and 580,561 is: 801,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,289.64 : 1,269,804.48 = 580,561 : x
  2. Step 2: Convert to fraction form
    920,289.64/1,269,804.48 = 580,561/x
  3. Step 3: Cross multiply
    920,289.64x = 1,269,804.48 × 580,561
  4. Step 4: Simplify right side
    920,289.64x = 737,198,958,713.28
  5. Step 5: Solve for x
    x = 737,198,958,713.28/920,289.64
  6. Step 6: Final answer
    x = 801,051.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.