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Finding the Fourth Proportional to 238,051.73, 328,102.31 and 226,840.64

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Solution

The fourth proportional to 238,051.73, 328,102.31 and 226,840.64 is: 312,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,051.73 : 328,102.31 = 226,840.64 : x
  2. Step 2: Convert to fraction form
    238,051.73/328,102.31 = 226,840.64/x
  3. Step 3: Cross multiply
    238,051.73x = 328,102.31 × 226,840.64
  4. Step 4: Simplify right side
    238,051.73x = 74,426,936,912.47
  5. Step 5: Solve for x
    x = 74,426,936,912.47/238,051.73
  6. Step 6: Final answer
    x = 312,650.26

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1.5x scale

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.