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Finding the Fourth Proportional to 504,450.81, 696,120.48 and 275,002.52

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Solution

The fourth proportional to 504,450.81, 696,120.48 and 275,002.52 is: 379,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,450.81 : 696,120.48 = 275,002.52 : x
  2. Step 2: Convert to fraction form
    504,450.81/696,120.48 = 275,002.52/x
  3. Step 3: Cross multiply
    504,450.81x = 696,120.48 × 275,002.52
  4. Step 4: Simplify right side
    504,450.81x = 191,434,882,743.01
  5. Step 5: Solve for x
    x = 191,434,882,743.01/504,450.81
  6. Step 6: Final answer
    x = 379,491.67

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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.