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Finding the Fourth Proportional to 547,681.09, 821,615.04 and 244,185.37

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Solution

The fourth proportional to 547,681.09, 821,615.04 and 244,185.37 is: 366,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,681.09 : 821,615.04 = 244,185.37 : x
  2. Step 2: Convert to fraction form
    547,681.09/821,615.04 = 244,185.37/x
  3. Step 3: Cross multiply
    547,681.09x = 821,615.04 × 244,185.37
  4. Step 4: Simplify right side
    547,681.09x = 200,626,372,539.97
  5. Step 5: Solve for x
    x = 200,626,372,539.97/547,681.09
  6. Step 6: Final answer
    x = 366,319.70

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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.