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Finding the Fourth Proportional to 539,248.80, 809,164.80 and 223,737.60

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Solution

The fourth proportional to 539,248.80, 809,164.80 and 223,737.60 is: 335,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,248.80 : 809,164.80 = 223,737.60 : x
  2. Step 2: Convert to fraction form
    539,248.80/809,164.80 = 223,737.60/x
  3. Step 3: Cross multiply
    539,248.80x = 809,164.80 × 223,737.60
  4. Step 4: Simplify right side
    539,248.80x = 181,040,590,356.48
  5. Step 5: Solve for x
    x = 181,040,590,356.48/539,248.80
  6. Step 6: Final answer
    x = 335,727.39

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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.