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Finding the Fourth Proportional to 300,790.35, 415,051.17 and 179,887.52

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Solution

The fourth proportional to 300,790.35, 415,051.17 and 179,887.52 is: 248,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,790.35 : 415,051.17 = 179,887.52 : x
  2. Step 2: Convert to fraction form
    300,790.35/415,051.17 = 179,887.52/x
  3. Step 3: Cross multiply
    300,790.35x = 415,051.17 × 179,887.52
  4. Step 4: Simplify right side
    300,790.35x = 74,662,523,569.14
  5. Step 5: Solve for x
    x = 74,662,523,569.14/300,790.35
  6. Step 6: Final answer
    x = 248,221.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.