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Finding the Fourth Proportional to 579,273.16, 868,696.62 and 200,097.40

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Solution

The fourth proportional to 579,273.16, 868,696.62 and 200,097.40 is: 300,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,273.16 : 868,696.62 = 200,097.40 : x
  2. Step 2: Convert to fraction form
    579,273.16/868,696.62 = 200,097.40/x
  3. Step 3: Cross multiply
    579,273.16x = 868,696.62 × 200,097.40
  4. Step 4: Simplify right side
    579,273.16x = 173,823,935,050.79
  5. Step 5: Solve for x
    x = 173,823,935,050.79/579,273.16
  6. Step 6: Final answer
    x = 300,072.48

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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.