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Finding the Fourth Proportional to 356,094.60, 491,410.68 and 194,959.89

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Solution

The fourth proportional to 356,094.60, 491,410.68 and 194,959.89 is: 269,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,094.60 : 491,410.68 = 194,959.89 : x
  2. Step 2: Convert to fraction form
    356,094.60/491,410.68 = 194,959.89/x
  3. Step 3: Cross multiply
    356,094.60x = 491,410.68 × 194,959.89
  4. Step 4: Simplify right side
    356,094.60x = 95,805,372,117.63
  5. Step 5: Solve for x
    x = 95,805,372,117.63/356,094.60
  6. Step 6: Final answer
    x = 269,044.72

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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.