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Finding the Fourth Proportional to 333,958.44, 501,101.94 and 156,434.76

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Solution

The fourth proportional to 333,958.44, 501,101.94 and 156,434.76 is: 234,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,958.44 : 501,101.94 = 156,434.76 : x
  2. Step 2: Convert to fraction form
    333,958.44/501,101.94 = 156,434.76/x
  3. Step 3: Cross multiply
    333,958.44x = 501,101.94 × 156,434.76
  4. Step 4: Simplify right side
    333,958.44x = 78,389,761,719.43
  5. Step 5: Solve for x
    x = 78,389,761,719.43/333,958.44
  6. Step 6: Final answer
    x = 234,729.09

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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.