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Finding the Fourth Proportional to 536,234.40, 804,351.60 and 396,266.40

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Solution

The fourth proportional to 536,234.40, 804,351.60 and 396,266.40 is: 594,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,234.40 : 804,351.60 = 396,266.40 : x
  2. Step 2: Convert to fraction form
    536,234.40/804,351.60 = 396,266.40/x
  3. Step 3: Cross multiply
    536,234.40x = 804,351.60 × 396,266.40
  4. Step 4: Simplify right side
    536,234.40x = 318,737,512,866.24
  5. Step 5: Solve for x
    x = 318,737,512,866.24/536,234.40
  6. Step 6: Final answer
    x = 594,399.60

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Double scale
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Similar ratio
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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.