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Finding the Fourth Proportional to 334,432.70, 501,709.80 and 109,730.60

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Solution

The fourth proportional to 334,432.70, 501,709.80 and 109,730.60 is: 164,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,432.70 : 501,709.80 = 109,730.60 : x
  2. Step 2: Convert to fraction form
    334,432.70/501,709.80 = 109,730.60/x
  3. Step 3: Cross multiply
    334,432.70x = 501,709.80 × 109,730.60
  4. Step 4: Simplify right side
    334,432.70x = 55,052,917,379.88
  5. Step 5: Solve for x
    x = 55,052,917,379.88/334,432.70
  6. Step 6: Final answer
    x = 164,615.83

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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.