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Finding the Fourth Proportional to 238,369.44, 328,951.68 and 130,940.64

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Solution

The fourth proportional to 238,369.44, 328,951.68 and 130,940.64 is: 180,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,369.44 : 328,951.68 = 130,940.64 : x
  2. Step 2: Convert to fraction form
    238,369.44/328,951.68 = 130,940.64/x
  3. Step 3: Cross multiply
    238,369.44x = 328,951.68 × 130,940.64
  4. Step 4: Simplify right side
    238,369.44x = 43,073,143,508.28
  5. Step 5: Solve for x
    x = 43,073,143,508.28/238,369.44
  6. Step 6: Final answer
    x = 180,699.10

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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.