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Finding the Fourth Proportional to 238,055.49, 328,107.49 and 226,844.39

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Solution

The fourth proportional to 238,055.49, 328,107.49 and 226,844.39 is: 312,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,055.49 : 328,107.49 = 226,844.39 : x
  2. Step 2: Convert to fraction form
    238,055.49/328,107.49 = 226,844.39/x
  3. Step 3: Cross multiply
    238,055.49x = 328,107.49 × 226,844.39
  4. Step 4: Simplify right side
    238,055.49x = 74,429,340,648.72
  5. Step 5: Solve for x
    x = 74,429,340,648.72/238,055.49
  6. Step 6: Final answer
    x = 312,655.43

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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.