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Finding the Fourth Proportional to 559,468.80, 837,234.90 and 512,229.60

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Solution

The fourth proportional to 559,468.80, 837,234.90 and 512,229.60 is: 766,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,468.80 : 837,234.90 = 512,229.60 : x
  2. Step 2: Convert to fraction form
    559,468.80/837,234.90 = 512,229.60/x
  3. Step 3: Cross multiply
    559,468.80x = 837,234.90 × 512,229.60
  4. Step 4: Simplify right side
    559,468.80x = 428,856,497,933.04
  5. Step 5: Solve for x
    x = 428,856,497,933.04/559,468.80
  6. Step 6: Final answer
    x = 766,542.30

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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.