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Finding the Fourth Proportional to 536,990.30, 804,563.85 and 255,902.30

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Solution

The fourth proportional to 536,990.30, 804,563.85 and 255,902.30 is: 383,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,990.30 : 804,563.85 = 255,902.30 : x
  2. Step 2: Convert to fraction form
    536,990.30/804,563.85 = 255,902.30/x
  3. Step 3: Cross multiply
    536,990.30x = 804,563.85 × 255,902.30
  4. Step 4: Simplify right side
    536,990.30x = 205,889,739,711.86
  5. Step 5: Solve for x
    x = 205,889,739,711.86/536,990.30
  6. Step 6: Final answer
    x = 383,414.26

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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.