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Finding the Fourth Proportional to 462,000.20, 693,000.30 and 262,934.60

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Solution

The fourth proportional to 462,000.20, 693,000.30 and 262,934.60 is: 394,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,000.20 : 693,000.30 = 262,934.60 : x
  2. Step 2: Convert to fraction form
    462,000.20/693,000.30 = 262,934.60/x
  3. Step 3: Cross multiply
    462,000.20x = 693,000.30 × 262,934.60
  4. Step 4: Simplify right side
    462,000.20x = 182,213,756,680.38
  5. Step 5: Solve for x
    x = 182,213,756,680.38/462,000.20
  6. Step 6: Final answer
    x = 394,401.90

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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.