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Finding the Fourth Proportional to 344,195.28, 474,798.24 and 319,839.66

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Solution

The fourth proportional to 344,195.28, 474,798.24 and 319,839.66 is: 441,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,195.28 : 474,798.24 = 319,839.66 : x
  2. Step 2: Convert to fraction form
    344,195.28/474,798.24 = 319,839.66/x
  3. Step 3: Cross multiply
    344,195.28x = 474,798.24 × 319,839.66
  4. Step 4: Simplify right side
    344,195.28x = 151,859,307,650.20
  5. Step 5: Solve for x
    x = 151,859,307,650.20/344,195.28
  6. Step 6: Final answer
    x = 441,201.02

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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.