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Finding the Fourth Proportional to 854,804.96, 1,281,074.88 and 454,584

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Solution

The fourth proportional to 854,804.96, 1,281,074.88 and 454,584 is: 681,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,804.96 : 1,281,074.88 = 454,584 : x
  2. Step 2: Convert to fraction form
    854,804.96/1,281,074.88 = 454,584/x
  3. Step 3: Cross multiply
    854,804.96x = 1,281,074.88 × 454,584
  4. Step 4: Simplify right side
    854,804.96x = 582,356,143,249.92
  5. Step 5: Solve for x
    x = 582,356,143,249.92/854,804.96
  6. Step 6: Final answer
    x = 681,273.71

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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.