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Finding the Fourth Proportional to 383,185.92, 574,778.88 and 116,947.83

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Solution

The fourth proportional to 383,185.92, 574,778.88 and 116,947.83 is: 175,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,185.92 : 574,778.88 = 116,947.83 : x
  2. Step 2: Convert to fraction form
    383,185.92/574,778.88 = 116,947.83/x
  3. Step 3: Cross multiply
    383,185.92x = 574,778.88 × 116,947.83
  4. Step 4: Simplify right side
    383,185.92x = 67,219,142,745.83
  5. Step 5: Solve for x
    x = 67,219,142,745.83/383,185.92
  6. Step 6: Final answer
    x = 175,421.75

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1.5x scale

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.