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Finding the Fourth Proportional to 325,493.21, 488,309.53 and 100,848.67

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Solution

The fourth proportional to 325,493.21, 488,309.53 and 100,848.67 is: 151,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,493.21 : 488,309.53 = 100,848.67 : x
  2. Step 2: Convert to fraction form
    325,493.21/488,309.53 = 100,848.67/x
  3. Step 3: Cross multiply
    325,493.21x = 488,309.53 × 100,848.67
  4. Step 4: Simplify right side
    325,493.21x = 49,245,366,648.83
  5. Step 5: Solve for x
    x = 49,245,366,648.83/325,493.21
  6. Step 6: Final answer
    x = 151,294.61

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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.