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Finding the Fourth Proportional to 536,768.80, 804,231.60 and 255,680.80

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Solution

The fourth proportional to 536,768.80, 804,231.60 and 255,680.80 is: 383,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,768.80 : 804,231.60 = 255,680.80 : x
  2. Step 2: Convert to fraction form
    536,768.80/804,231.60 = 255,680.80/x
  3. Step 3: Cross multiply
    536,768.80x = 804,231.60 × 255,680.80
  4. Step 4: Simplify right side
    536,768.80x = 205,626,578,873.28
  5. Step 5: Solve for x
    x = 205,626,578,873.28/536,768.80
  6. Step 6: Final answer
    x = 383,082.21

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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.