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Finding the Fourth Proportional to 597,979.94, 825,412.28 and 356,338.31

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Solution

The fourth proportional to 597,979.94, 825,412.28 and 356,338.31 is: 491,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,979.94 : 825,412.28 = 356,338.31 : x
  2. Step 2: Convert to fraction form
    597,979.94/825,412.28 = 356,338.31/x
  3. Step 3: Cross multiply
    597,979.94x = 825,412.28 × 356,338.31
  4. Step 4: Simplify right side
    597,979.94x = 294,126,010,999.69
  5. Step 5: Solve for x
    x = 294,126,010,999.69/597,979.94
  6. Step 6: Final answer
    x = 491,866.02

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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.