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Finding the Fourth Proportional to 536,934.80, 804,480.60 and 255,846.80

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Solution

The fourth proportional to 536,934.80, 804,480.60 and 255,846.80 is: 383,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,934.80 : 804,480.60 = 255,846.80 : x
  2. Step 2: Convert to fraction form
    536,934.80/804,480.60 = 255,846.80/x
  3. Step 3: Cross multiply
    536,934.80x = 804,480.60 × 255,846.80
  4. Step 4: Simplify right side
    536,934.80x = 205,823,787,172.08
  5. Step 5: Solve for x
    x = 205,823,787,172.08/536,934.80
  6. Step 6: Final answer
    x = 383,331.06

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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.