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Finding the Fourth Proportional to 268,211.33, 401,741.08 and 252,508.67

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Solution

The fourth proportional to 268,211.33, 401,741.08 and 252,508.67 is: 378,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,211.33 : 401,741.08 = 252,508.67 : x
  2. Step 2: Convert to fraction form
    268,211.33/401,741.08 = 252,508.67/x
  3. Step 3: Cross multiply
    268,211.33x = 401,741.08 × 252,508.67
  4. Step 4: Simplify right side
    268,211.33x = 101,443,105,795.16
  5. Step 5: Solve for x
    x = 101,443,105,795.16/268,211.33
  6. Step 6: Final answer
    x = 378,220.81

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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.