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Finding the Fourth Proportional to 263,597.06, 395,516.08 and 143,474.06

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Solution

The fourth proportional to 263,597.06, 395,516.08 and 143,474.06 is: 215,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,597.06 : 395,516.08 = 143,474.06 : x
  2. Step 2: Convert to fraction form
    263,597.06/395,516.08 = 143,474.06/x
  3. Step 3: Cross multiply
    263,597.06x = 395,516.08 × 143,474.06
  4. Step 4: Simplify right side
    263,597.06x = 56,746,297,792.88
  5. Step 5: Solve for x
    x = 56,746,297,792.88/263,597.06
  6. Step 6: Final answer
    x = 215,276.67

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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.