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Finding the Fourth Proportional to 238,054.98, 328,106.80 and 226,843.89

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Solution

The fourth proportional to 238,054.98, 328,106.80 and 226,843.89 is: 312,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,054.98 : 328,106.80 = 226,843.89 : x
  2. Step 2: Convert to fraction form
    238,054.98/328,106.80 = 226,843.89/x
  3. Step 3: Cross multiply
    238,054.98x = 328,106.80 × 226,843.89
  4. Step 4: Simplify right side
    238,054.98x = 74,429,022,847.45
  5. Step 5: Solve for x
    x = 74,429,022,847.45/238,054.98
  6. Step 6: Final answer
    x = 312,654.76

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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.