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Finding the Fourth Proportional to 303,447.13, 455,192.56 and 116,458.63

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Solution

The fourth proportional to 303,447.13, 455,192.56 and 116,458.63 is: 174,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,447.13 : 455,192.56 = 116,458.63 : x
  2. Step 2: Convert to fraction form
    303,447.13/455,192.56 = 116,458.63/x
  3. Step 3: Cross multiply
    303,447.13x = 455,192.56 × 116,458.63
  4. Step 4: Simplify right side
    303,447.13x = 53,011,101,923.79
  5. Step 5: Solve for x
    x = 53,011,101,923.79/303,447.13
  6. Step 6: Final answer
    x = 174,696.34

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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.