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Finding the Fourth Proportional to 798,803.80, 1,198,216.30 and 266,325

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Solution

The fourth proportional to 798,803.80, 1,198,216.30 and 266,325 is: 399,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,803.80 : 1,198,216.30 = 266,325 : x
  2. Step 2: Convert to fraction form
    798,803.80/1,198,216.30 = 266,325/x
  3. Step 3: Cross multiply
    798,803.80x = 1,198,216.30 × 266,325
  4. Step 4: Simplify right side
    798,803.80x = 319,114,956,097.50
  5. Step 5: Solve for x
    x = 319,114,956,097.50/798,803.80
  6. Step 6: Final answer
    x = 399,491.03

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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.