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Finding the Fourth Proportional to 303,553.01, 455,351.52 and 116,564.51

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Solution

The fourth proportional to 303,553.01, 455,351.52 and 116,564.51 is: 174,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,553.01 : 455,351.52 = 116,564.51 : x
  2. Step 2: Convert to fraction form
    303,553.01/455,351.52 = 116,564.51/x
  3. Step 3: Cross multiply
    303,553.01x = 455,351.52 × 116,564.51
  4. Step 4: Simplify right side
    303,553.01x = 53,077,826,806.56
  5. Step 5: Solve for x
    x = 53,077,826,806.56/303,553.01
  6. Step 6: Final answer
    x = 174,855.21

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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.