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Finding the Fourth Proportional to 451,186.88, 622,637.89 and 249,982.88

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Solution

The fourth proportional to 451,186.88, 622,637.89 and 249,982.88 is: 344,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,186.88 : 622,637.89 = 249,982.88 : x
  2. Step 2: Convert to fraction form
    451,186.88/622,637.89 = 249,982.88/x
  3. Step 3: Cross multiply
    451,186.88x = 622,637.89 × 249,982.88
  4. Step 4: Simplify right side
    451,186.88x = 155,648,812,939.32
  5. Step 5: Solve for x
    x = 155,648,812,939.32/451,186.88
  6. Step 6: Final answer
    x = 344,976.37

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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.