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Finding the Fourth Proportional to 301,240.43, 415,602.71 and 197,930.28

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Solution

The fourth proportional to 301,240.43, 415,602.71 and 197,930.28 is: 273,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,240.43 : 415,602.71 = 197,930.28 : x
  2. Step 2: Convert to fraction form
    301,240.43/415,602.71 = 197,930.28/x
  3. Step 3: Cross multiply
    301,240.43x = 415,602.71 × 197,930.28
  4. Step 4: Simplify right side
    301,240.43x = 82,260,357,691.39
  5. Step 5: Solve for x
    x = 82,260,357,691.39/301,240.43
  6. Step 6: Final answer
    x = 273,072.10

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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.