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Finding the Fourth Proportional to 496,031.55, 684,520.67 and 275,266.62

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Solution

The fourth proportional to 496,031.55, 684,520.67 and 275,266.62 is: 379,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,031.55 : 684,520.67 = 275,266.62 : x
  2. Step 2: Convert to fraction form
    496,031.55/684,520.67 = 275,266.62/x
  3. Step 3: Cross multiply
    496,031.55x = 684,520.67 × 275,266.62
  4. Step 4: Simplify right side
    496,031.55x = 188,425,691,839.20
  5. Step 5: Solve for x
    x = 188,425,691,839.20/496,031.55
  6. Step 6: Final answer
    x = 379,866.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.