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Finding the Fourth Proportional to 333,671.11, 500,530.01 and 133,991.49

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Solution

The fourth proportional to 333,671.11, 500,530.01 and 133,991.49 is: 200,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,671.11 : 500,530.01 = 133,991.49 : x
  2. Step 2: Convert to fraction form
    333,671.11/500,530.01 = 133,991.49/x
  3. Step 3: Cross multiply
    333,671.11x = 500,530.01 × 133,991.49
  4. Step 4: Simplify right side
    333,671.11x = 67,066,763,080.94
  5. Step 5: Solve for x
    x = 67,066,763,080.94/333,671.11
  6. Step 6: Final answer
    x = 200,996.61

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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.