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Finding the Fourth Proportional to 381,566.70, 526,564.08 and 238,409.76

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Solution

The fourth proportional to 381,566.70, 526,564.08 and 238,409.76 is: 329,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,566.70 : 526,564.08 = 238,409.76 : x
  2. Step 2: Convert to fraction form
    381,566.70/526,564.08 = 238,409.76/x
  3. Step 3: Cross multiply
    381,566.70x = 526,564.08 × 238,409.76
  4. Step 4: Simplify right side
    381,566.70x = 125,538,015,937.42
  5. Step 5: Solve for x
    x = 125,538,015,937.42/381,566.70
  6. Step 6: Final answer
    x = 329,006.74

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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.