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Finding the Fourth Proportional to 880,811.10, 1,321,216.65 and 733,844.70

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Solution

The fourth proportional to 880,811.10, 1,321,216.65 and 733,844.70 is: 1,100,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,811.10 : 1,321,216.65 = 733,844.70 : x
  2. Step 2: Convert to fraction form
    880,811.10/1,321,216.65 = 733,844.70/x
  3. Step 3: Cross multiply
    880,811.10x = 1,321,216.65 × 733,844.70
  4. Step 4: Simplify right side
    880,811.10x = 969,567,836,154.26
  5. Step 5: Solve for x
    x = 969,567,836,154.26/880,811.10
  6. Step 6: Final answer
    x = 1,100,767.05

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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.