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Finding the Fourth Proportional to 434,158.85, 599,431.79 and 271,063.94

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Solution

The fourth proportional to 434,158.85, 599,431.79 and 271,063.94 is: 374,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,158.85 : 599,431.79 = 271,063.94 : x
  2. Step 2: Convert to fraction form
    434,158.85/599,431.79 = 271,063.94/x
  3. Step 3: Cross multiply
    434,158.85x = 599,431.79 × 271,063.94
  4. Step 4: Simplify right side
    434,158.85x = 162,484,340,439.15
  5. Step 5: Solve for x
    x = 162,484,340,439.15/434,158.85
  6. Step 6: Final answer
    x = 374,250.90

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Why These Related Problems?

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