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Finding the Fourth Proportional to 333,671.49, 500,530.57 and 133,991.87

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Solution

The fourth proportional to 333,671.49, 500,530.57 and 133,991.87 is: 200,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,671.49 : 500,530.57 = 133,991.87 : x
  2. Step 2: Convert to fraction form
    333,671.49/500,530.57 = 133,991.87/x
  3. Step 3: Cross multiply
    333,671.49x = 500,530.57 × 133,991.87
  4. Step 4: Simplify right side
    333,671.49x = 67,067,024,563.81
  5. Step 5: Solve for x
    x = 67,067,024,563.81/333,671.49
  6. Step 6: Final answer
    x = 200,997.17

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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.