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Finding the Fourth Proportional to 383,867.08, 575,800.62 and 117,626.56

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Solution

The fourth proportional to 383,867.08, 575,800.62 and 117,626.56 is: 176,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,867.08 : 575,800.62 = 117,626.56 : x
  2. Step 2: Convert to fraction form
    383,867.08/575,800.62 = 117,626.56/x
  3. Step 3: Cross multiply
    383,867.08x = 575,800.62 × 117,626.56
  4. Step 4: Simplify right side
    383,867.08x = 67,729,446,176.47
  5. Step 5: Solve for x
    x = 67,729,446,176.47/383,867.08
  6. Step 6: Final answer
    x = 176,439.84

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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.