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Finding the Fourth Proportional to 539,366.65, 808,791.55 and 254,820.20

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Solution

The fourth proportional to 539,366.65, 808,791.55 and 254,820.20 is: 382,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,366.65 : 808,791.55 = 254,820.20 : x
  2. Step 2: Convert to fraction form
    539,366.65/808,791.55 = 254,820.20/x
  3. Step 3: Cross multiply
    539,366.65x = 808,791.55 × 254,820.20
  4. Step 4: Simplify right side
    539,366.65x = 206,096,419,848.30
  5. Step 5: Solve for x
    x = 206,096,419,848.30/539,366.65
  6. Step 6: Final answer
    x = 382,108.20

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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.