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Finding the Fourth Proportional to 1,080,676.64, 1,621,481.52 and 581,941.28

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Solution

The fourth proportional to 1,080,676.64, 1,621,481.52 and 581,941.28 is: 873,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,676.64 : 1,621,481.52 = 581,941.28 : x
  2. Step 2: Convert to fraction form
    1,080,676.64/1,621,481.52 = 581,941.28/x
  3. Step 3: Cross multiply
    1,080,676.64x = 1,621,481.52 × 581,941.28
  4. Step 4: Simplify right side
    1,080,676.64x = 943,607,031,245.15
  5. Step 5: Solve for x
    x = 943,607,031,245.15/1,080,676.64
  6. Step 6: Final answer
    x = 873,163.16

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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.