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Finding the Fourth Proportional to 322,334.75, 483,501.60 and 85,677.44

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Solution

The fourth proportional to 322,334.75, 483,501.60 and 85,677.44 is: 128,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,334.75 : 483,501.60 = 85,677.44 : x
  2. Step 2: Convert to fraction form
    322,334.75/483,501.60 = 85,677.44/x
  3. Step 3: Cross multiply
    322,334.75x = 483,501.60 × 85,677.44
  4. Step 4: Simplify right side
    322,334.75x = 41,425,176,906.40
  5. Step 5: Solve for x
    x = 41,425,176,906.40/322,334.75
  6. Step 6: Final answer
    x = 128,516.01

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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.