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Finding the Fourth Proportional to 469,789.60, 704,727.60 and 132,829.60

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Solution

The fourth proportional to 469,789.60, 704,727.60 and 132,829.60 is: 199,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,789.60 : 704,727.60 = 132,829.60 : x
  2. Step 2: Convert to fraction form
    469,789.60/704,727.60 = 132,829.60/x
  3. Step 3: Cross multiply
    469,789.60x = 704,727.60 × 132,829.60
  4. Step 4: Simplify right side
    469,789.60x = 93,608,685,216.96
  5. Step 5: Solve for x
    x = 93,608,685,216.96/469,789.60
  6. Step 6: Final answer
    x = 199,256.61

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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.