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Finding the Fourth Proportional to 381,371.64, 526,074.12 and 237,882.48

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Solution

The fourth proportional to 381,371.64, 526,074.12 and 237,882.48 is: 328,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,371.64 : 526,074.12 = 237,882.48 : x
  2. Step 2: Convert to fraction form
    381,371.64/526,074.12 = 237,882.48/x
  3. Step 3: Cross multiply
    381,371.64x = 526,074.12 × 237,882.48
  4. Step 4: Simplify right side
    381,371.64x = 125,143,816,329.42
  5. Step 5: Solve for x
    x = 125,143,816,329.42/381,371.64
  6. Step 6: Final answer
    x = 328,141.38

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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.