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Finding the Fourth Proportional to 381,932.51, 526,847.57 and 238,443.44

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Solution

The fourth proportional to 381,932.51, 526,847.57 and 238,443.44 is: 328,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,932.51 : 526,847.57 = 238,443.44 : x
  2. Step 2: Convert to fraction form
    381,932.51/526,847.57 = 238,443.44/x
  3. Step 3: Cross multiply
    381,932.51x = 526,847.57 × 238,443.44
  4. Step 4: Simplify right side
    381,932.51x = 125,623,346,946.44
  5. Step 5: Solve for x
    x = 125,623,346,946.44/381,932.51
  6. Step 6: Final answer
    x = 328,915.04

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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.