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Finding the Fourth Proportional to 323,515.35, 485,273.03 and 323,515.35

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Solution

The fourth proportional to 323,515.35, 485,273.03 and 323,515.35 is: 485,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,515.35 : 485,273.03 = 323,515.35 : x
  2. Step 2: Convert to fraction form
    323,515.35/485,273.03 = 323,515.35/x
  3. Step 3: Cross multiply
    323,515.35x = 485,273.03 × 323,515.35
  4. Step 4: Simplify right side
    323,515.35x = 156,993,272,528.43
  5. Step 5: Solve for x
    x = 156,993,272,528.43/323,515.35
  6. Step 6: Final answer
    x = 485,273.03

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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.