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Finding the Fourth Proportional to 364,195.40, 546,286.60 and 139,494.92

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Solution

The fourth proportional to 364,195.40, 546,286.60 and 139,494.92 is: 209,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,195.40 : 546,286.60 = 139,494.92 : x
  2. Step 2: Convert to fraction form
    364,195.40/546,286.60 = 139,494.92/x
  3. Step 3: Cross multiply
    364,195.40x = 546,286.60 × 139,494.92
  4. Step 4: Simplify right side
    364,195.40x = 76,204,205,564.07
  5. Step 5: Solve for x
    x = 76,204,205,564.07/364,195.40
  6. Step 6: Final answer
    x = 209,239.89

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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.