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Finding the Fourth Proportional to 680,857.76, 1,022,191.32 and 581,655.44

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Solution

The fourth proportional to 680,857.76, 1,022,191.32 and 581,655.44 is: 873,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,857.76 : 1,022,191.32 = 581,655.44 : x
  2. Step 2: Convert to fraction form
    680,857.76/1,022,191.32 = 581,655.44/x
  3. Step 3: Cross multiply
    680,857.76x = 1,022,191.32 × 581,655.44
  4. Step 4: Simplify right side
    680,857.76x = 594,563,141,998.78
  5. Step 5: Solve for x
    x = 594,563,141,998.78/680,857.76
  6. Step 6: Final answer
    x = 873,256.03

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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.