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Finding the Fourth Proportional to 383,856.48, 574,603.72 and 250,449.48

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Solution

The fourth proportional to 383,856.48, 574,603.72 and 250,449.48 is: 374,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,856.48 : 574,603.72 = 250,449.48 : x
  2. Step 2: Convert to fraction form
    383,856.48/574,603.72 = 250,449.48/x
  3. Step 3: Cross multiply
    383,856.48x = 574,603.72 × 250,449.48
  4. Step 4: Simplify right side
    383,856.48x = 143,909,202,880.07
  5. Step 5: Solve for x
    x = 143,909,202,880.07/383,856.48
  6. Step 6: Final answer
    x = 374,903.67

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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.