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Finding the Fourth Proportional to 400,668.67, 600,997.91 and 160,888.69

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Solution

The fourth proportional to 400,668.67, 600,997.91 and 160,888.69 is: 241,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,668.67 : 600,997.91 = 160,888.69 : x
  2. Step 2: Convert to fraction form
    400,668.67/600,997.91 = 160,888.69/x
  3. Step 3: Cross multiply
    400,668.67x = 600,997.91 × 160,888.69
  4. Step 4: Simplify right side
    400,668.67x = 96,693,764,125.70
  5. Step 5: Solve for x
    x = 96,693,764,125.70/400,668.67
  6. Step 6: Final answer
    x = 241,330.98

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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.