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Finding the Fourth Proportional to 292,426.80, 403,736.58 and 238,840.44

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Solution

The fourth proportional to 292,426.80, 403,736.58 and 238,840.44 is: 329,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,426.80 : 403,736.58 = 238,840.44 : x
  2. Step 2: Convert to fraction form
    292,426.80/403,736.58 = 238,840.44/x
  3. Step 3: Cross multiply
    292,426.80x = 403,736.58 × 238,840.44
  4. Step 4: Simplify right side
    292,426.80x = 96,428,622,411.30
  5. Step 5: Solve for x
    x = 96,428,622,411.30/292,426.80
  6. Step 6: Final answer
    x = 329,753.03

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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.