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Finding the Fourth Proportional to 441,745.84, 662,618.76 and 109,321.84

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Solution

The fourth proportional to 441,745.84, 662,618.76 and 109,321.84 is: 163,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,745.84 : 662,618.76 = 109,321.84 : x
  2. Step 2: Convert to fraction form
    441,745.84/662,618.76 = 109,321.84/x
  3. Step 3: Cross multiply
    441,745.84x = 662,618.76 × 109,321.84
  4. Step 4: Simplify right side
    441,745.84x = 72,438,702,061.72
  5. Step 5: Solve for x
    x = 72,438,702,061.72/441,745.84
  6. Step 6: Final answer
    x = 163,982.76

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Similar ratio
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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.