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Finding the Fourth Proportional to 303,443.88, 455,187.68 and 116,455.38

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Solution

The fourth proportional to 303,443.88, 455,187.68 and 116,455.38 is: 174,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,443.88 : 455,187.68 = 116,455.38 : x
  2. Step 2: Convert to fraction form
    303,443.88/455,187.68 = 116,455.38/x
  3. Step 3: Cross multiply
    303,443.88x = 455,187.68 × 116,455.38
  4. Step 4: Simplify right side
    303,443.88x = 53,009,054,245.72
  5. Step 5: Solve for x
    x = 53,009,054,245.72/303,443.88
  6. Step 6: Final answer
    x = 174,691.46

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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.