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Finding the Fourth Proportional to 238,286.88, 328,850.64 and 132,302.88

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Solution

The fourth proportional to 238,286.88, 328,850.64 and 132,302.88 is: 182,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,286.88 : 328,850.64 = 132,302.88 : x
  2. Step 2: Convert to fraction form
    238,286.88/328,850.64 = 132,302.88/x
  3. Step 3: Cross multiply
    238,286.88x = 328,850.64 × 132,302.88
  4. Step 4: Simplify right side
    238,286.88x = 43,507,886,761.84
  5. Step 5: Solve for x
    x = 43,507,886,761.84/238,286.88
  6. Step 6: Final answer
    x = 182,586.16

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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.