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Finding the Fourth Proportional to 339,285.84, 508,779.27 and 159,422.44

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Solution

The fourth proportional to 339,285.84, 508,779.27 and 159,422.44 is: 239,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,285.84 : 508,779.27 = 159,422.44 : x
  2. Step 2: Convert to fraction form
    339,285.84/508,779.27 = 159,422.44/x
  3. Step 3: Cross multiply
    339,285.84x = 508,779.27 × 159,422.44
  4. Step 4: Simplify right side
    339,285.84x = 81,110,831,847.71
  5. Step 5: Solve for x
    x = 81,110,831,847.71/339,285.84
  6. Step 6: Final answer
    x = 239,063.42

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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.