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Finding the Fourth Proportional to 503,810.25, 756,026.81 and 204,293.43

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Solution

The fourth proportional to 503,810.25, 756,026.81 and 204,293.43 is: 306,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,810.25 : 756,026.81 = 204,293.43 : x
  2. Step 2: Convert to fraction form
    503,810.25/756,026.81 = 204,293.43/x
  3. Step 3: Cross multiply
    503,810.25x = 756,026.81 × 204,293.43
  4. Step 4: Simplify right side
    503,810.25x = 154,451,311,080.64
  5. Step 5: Solve for x
    x = 154,451,311,080.64/503,810.25
  6. Step 6: Final answer
    x = 306,566.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.