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Finding the Fourth Proportional to 322,401.90, 483,602.85 and 274,709.10

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Solution

The fourth proportional to 322,401.90, 483,602.85 and 274,709.10 is: 412,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,401.90 : 483,602.85 = 274,709.10 : x
  2. Step 2: Convert to fraction form
    322,401.90/483,602.85 = 274,709.10/x
  3. Step 3: Cross multiply
    322,401.90x = 483,602.85 × 274,709.10
  4. Step 4: Simplify right side
    322,401.90x = 132,850,103,680.94
  5. Step 5: Solve for x
    x = 132,850,103,680.94/322,401.90
  6. Step 6: Final answer
    x = 412,063.65

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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.