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Finding the Fourth Proportional to 325,471.96, 488,260.59 and 100,779.58

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Solution

The fourth proportional to 325,471.96, 488,260.59 and 100,779.58 is: 151,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,471.96 : 488,260.59 = 100,779.58 : x
  2. Step 2: Convert to fraction form
    325,471.96/488,260.59 = 100,779.58/x
  3. Step 3: Cross multiply
    325,471.96x = 488,260.59 × 100,779.58
  4. Step 4: Simplify right side
    325,471.96x = 49,206,697,190.75
  5. Step 5: Solve for x
    x = 49,206,697,190.75/325,471.96
  6. Step 6: Final answer
    x = 151,185.67

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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.