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Finding the Fourth Proportional to 238,080.26, 328,554.80 and 130,660.30

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Solution

The fourth proportional to 238,080.26, 328,554.80 and 130,660.30 is: 180,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.26 : 328,554.80 = 130,660.30 : x
  2. Step 2: Convert to fraction form
    238,080.26/328,554.80 = 130,660.30/x
  3. Step 3: Cross multiply
    238,080.26x = 328,554.80 × 130,660.30
  4. Step 4: Simplify right side
    238,080.26x = 42,929,068,734.44
  5. Step 5: Solve for x
    x = 42,929,068,734.44/238,080.26
  6. Step 6: Final answer
    x = 180,313.43

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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.