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Finding the Fourth Proportional to 573,198.92, 790,769.14 and 357,965.32

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Solution

The fourth proportional to 573,198.92, 790,769.14 and 357,965.32 is: 493,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,198.92 : 790,769.14 = 357,965.32 : x
  2. Step 2: Convert to fraction form
    573,198.92/790,769.14 = 357,965.32/x
  3. Step 3: Cross multiply
    573,198.92x = 790,769.14 × 357,965.32
  4. Step 4: Simplify right side
    573,198.92x = 283,067,928,246.23
  5. Step 5: Solve for x
    x = 283,067,928,246.23/573,198.92
  6. Step 6: Final answer
    x = 493,838.91

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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.