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Finding the Fourth Proportional to 536,769.80, 804,233.10 and 255,681.80

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Solution

The fourth proportional to 536,769.80, 804,233.10 and 255,681.80 is: 383,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,769.80 : 804,233.10 = 255,681.80 : x
  2. Step 2: Convert to fraction form
    536,769.80/804,233.10 = 255,681.80/x
  3. Step 3: Cross multiply
    536,769.80x = 804,233.10 × 255,681.80
  4. Step 4: Simplify right side
    536,769.80x = 205,627,766,627.58
  5. Step 5: Solve for x
    x = 205,627,766,627.58/536,769.80
  6. Step 6: Final answer
    x = 383,083.71

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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.