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Finding the Fourth Proportional to 587,909.36, 881,769.54 and 161,345.54

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Solution

The fourth proportional to 587,909.36, 881,769.54 and 161,345.54 is: 241,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,909.36 : 881,769.54 = 161,345.54 : x
  2. Step 2: Convert to fraction form
    587,909.36/881,769.54 = 161,345.54/x
  3. Step 3: Cross multiply
    587,909.36x = 881,769.54 × 161,345.54
  4. Step 4: Simplify right side
    587,909.36x = 142,269,582,586.85
  5. Step 5: Solve for x
    x = 142,269,582,586.85/587,909.36
  6. Step 6: Final answer
    x = 241,992.38

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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.