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Finding the Fourth Proportional to 539,269.80, 809,196.30 and 223,758.60

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Solution

The fourth proportional to 539,269.80, 809,196.30 and 223,758.60 is: 335,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,269.80 : 809,196.30 = 223,758.60 : x
  2. Step 2: Convert to fraction form
    539,269.80/809,196.30 = 223,758.60/x
  3. Step 3: Cross multiply
    539,269.80x = 809,196.30 × 223,758.60
  4. Step 4: Simplify right side
    539,269.80x = 181,064,631,213.18
  5. Step 5: Solve for x
    x = 181,064,631,213.18/539,269.80
  6. Step 6: Final answer
    x = 335,758.89

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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.