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Finding the Fourth Proportional to 538,781.63, 808,172.74 and 164,804.63

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Solution

The fourth proportional to 538,781.63, 808,172.74 and 164,804.63 is: 247,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,781.63 : 808,172.74 = 164,804.63 : x
  2. Step 2: Convert to fraction form
    538,781.63/808,172.74 = 164,804.63/x
  3. Step 3: Cross multiply
    538,781.63x = 808,172.74 × 164,804.63
  4. Step 4: Simplify right side
    538,781.63x = 133,190,605,556.93
  5. Step 5: Solve for x
    x = 133,190,605,556.93/538,781.63
  6. Step 6: Final answer
    x = 247,207.03

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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.