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Finding the Fourth Proportional to 353,161.34, 529,730.31 and 153,481.94

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Solution

The fourth proportional to 353,161.34, 529,730.31 and 153,481.94 is: 230,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,161.34 : 529,730.31 = 153,481.94 : x
  2. Step 2: Convert to fraction form
    353,161.34/529,730.31 = 153,481.94/x
  3. Step 3: Cross multiply
    353,161.34x = 529,730.31 × 153,481.94
  4. Step 4: Simplify right side
    353,161.34x = 81,304,035,655.60
  5. Step 5: Solve for x
    x = 81,304,035,655.60/353,161.34
  6. Step 6: Final answer
    x = 230,217.83

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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.