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Finding the Fourth Proportional to 351,144.60, 484,578.32 and 189,998.93

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Solution

The fourth proportional to 351,144.60, 484,578.32 and 189,998.93 is: 262,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,144.60 : 484,578.32 = 189,998.93 : x
  2. Step 2: Convert to fraction form
    351,144.60/484,578.32 = 189,998.93/x
  3. Step 3: Cross multiply
    351,144.60x = 484,578.32 × 189,998.93
  4. Step 4: Simplify right side
    351,144.60x = 92,069,358,928.31
  5. Step 5: Solve for x
    x = 92,069,358,928.31/351,144.60
  6. Step 6: Final answer
    x = 262,197.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.