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Finding the Fourth Proportional to 539,598.96, 809,895.24 and 273,545.64

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Solution

The fourth proportional to 539,598.96, 809,895.24 and 273,545.64 is: 410,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,598.96 : 809,895.24 = 273,545.64 : x
  2. Step 2: Convert to fraction form
    539,598.96/809,895.24 = 273,545.64/x
  3. Step 3: Cross multiply
    539,598.96x = 809,895.24 × 273,545.64
  4. Step 4: Simplify right side
    539,598.96x = 221,543,311,758.75
  5. Step 5: Solve for x
    x = 221,543,311,758.75/539,598.96
  6. Step 6: Final answer
    x = 410,570.31

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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.