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Finding the Fourth Proportional to 511,690.20, 706,259.04 and 348,616.56

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Solution

The fourth proportional to 511,690.20, 706,259.04 and 348,616.56 is: 481,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,690.20 : 706,259.04 = 348,616.56 : x
  2. Step 2: Convert to fraction form
    511,690.20/706,259.04 = 348,616.56/x
  3. Step 3: Cross multiply
    511,690.20x = 706,259.04 × 348,616.56
  4. Step 4: Simplify right side
    511,690.20x = 246,213,596,993.70
  5. Step 5: Solve for x
    x = 246,213,596,993.70/511,690.20
  6. Step 6: Final answer
    x = 481,177.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.