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Finding the Fourth Proportional to 381,996.27, 527,186.24 and 246,312.69

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Solution

The fourth proportional to 381,996.27, 527,186.24 and 246,312.69 is: 339,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,996.27 : 527,186.24 = 246,312.69 : x
  2. Step 2: Convert to fraction form
    381,996.27/527,186.24 = 246,312.69/x
  3. Step 3: Cross multiply
    381,996.27x = 527,186.24 × 246,312.69
  4. Step 4: Simplify right side
    381,996.27x = 129,852,659,673.82
  5. Step 5: Solve for x
    x = 129,852,659,673.82/381,996.27
  6. Step 6: Final answer
    x = 339,931.75

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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.