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Finding the Fourth Proportional to 876,850.95, 1,315,314.63 and 277,856.22

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Solution

The fourth proportional to 876,850.95, 1,315,314.63 and 277,856.22 is: 416,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,850.95 : 1,315,314.63 = 277,856.22 : x
  2. Step 2: Convert to fraction form
    876,850.95/1,315,314.63 = 277,856.22/x
  3. Step 3: Cross multiply
    876,850.95x = 1,315,314.63 × 277,856.22
  4. Step 4: Simplify right side
    876,850.95x = 365,468,351,202.50
  5. Step 5: Solve for x
    x = 365,468,351,202.50/876,850.95
  6. Step 6: Final answer
    x = 416,796.44

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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.