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Finding the Fourth Proportional to 292,548.94, 438,791.96 and 198,383.55

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Solution

The fourth proportional to 292,548.94, 438,791.96 and 198,383.55 is: 297,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,548.94 : 438,791.96 = 198,383.55 : x
  2. Step 2: Convert to fraction form
    292,548.94/438,791.96 = 198,383.55/x
  3. Step 3: Cross multiply
    292,548.94x = 438,791.96 × 198,383.55
  4. Step 4: Simplify right side
    292,548.94x = 87,049,106,736.26
  5. Step 5: Solve for x
    x = 87,049,106,736.26/292,548.94
  6. Step 6: Final answer
    x = 297,554.00

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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.