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Finding the Fourth Proportional to 539,222.64, 809,330.88 and 273,168.48

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Solution

The fourth proportional to 539,222.64, 809,330.88 and 273,168.48 is: 410,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,222.64 : 809,330.88 = 273,168.48 : x
  2. Step 2: Convert to fraction form
    539,222.64/809,330.88 = 273,168.48/x
  3. Step 3: Cross multiply
    539,222.64x = 809,330.88 × 273,168.48
  4. Step 4: Simplify right side
    539,222.64x = 221,083,686,306.66
  5. Step 5: Solve for x
    x = 221,083,686,306.66/539,222.64
  6. Step 6: Final answer
    x = 410,004.46

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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.