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Finding the Fourth Proportional to 381,141.11, 526,202.81 and 238,094.91

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Solution

The fourth proportional to 381,141.11, 526,202.81 and 238,094.91 is: 328,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,141.11 : 526,202.81 = 238,094.91 : x
  2. Step 2: Convert to fraction form
    381,141.11/526,202.81 = 238,094.91/x
  3. Step 3: Cross multiply
    381,141.11x = 526,202.81 × 238,094.91
  4. Step 4: Simplify right side
    381,141.11x = 125,286,210,688.70
  5. Step 5: Solve for x
    x = 125,286,210,688.70/381,141.11
  6. Step 6: Final answer
    x = 328,713.45

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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.