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Finding the Fourth Proportional to 339,544.60, 508,733.70 and 161,668.60

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Solution

The fourth proportional to 339,544.60, 508,733.70 and 161,668.60 is: 242,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,544.60 : 508,733.70 = 161,668.60 : x
  2. Step 2: Convert to fraction form
    339,544.60/508,733.70 = 161,668.60/x
  3. Step 3: Cross multiply
    339,544.60x = 508,733.70 × 161,668.60
  4. Step 4: Simplify right side
    339,544.60x = 82,246,265,051.82
  5. Step 5: Solve for x
    x = 82,246,265,051.82/339,544.60
  6. Step 6: Final answer
    x = 242,225.22

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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.