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Finding the Fourth Proportional to 526,908.84, 790,042.84 and 206,676.96

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Solution

The fourth proportional to 526,908.84, 790,042.84 and 206,676.96 is: 309,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,908.84 : 790,042.84 = 206,676.96 : x
  2. Step 2: Convert to fraction form
    526,908.84/790,042.84 = 206,676.96/x
  3. Step 3: Cross multiply
    526,908.84x = 790,042.84 × 206,676.96
  4. Step 4: Simplify right side
    526,908.84x = 163,283,652,440.97
  5. Step 5: Solve for x
    x = 163,283,652,440.97/526,908.84
  6. Step 6: Final answer
    x = 309,889.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.