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Finding the Fourth Proportional to 579,269.16, 868,690.62 and 200,093.40

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Solution

The fourth proportional to 579,269.16, 868,690.62 and 200,093.40 is: 300,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,269.16 : 868,690.62 = 200,093.40 : x
  2. Step 2: Convert to fraction form
    579,269.16/868,690.62 = 200,093.40/x
  3. Step 3: Cross multiply
    579,269.16x = 868,690.62 × 200,093.40
  4. Step 4: Simplify right side
    579,269.16x = 173,819,259,703.91
  5. Step 5: Solve for x
    x = 173,819,259,703.91/579,269.16
  6. Step 6: Final answer
    x = 300,066.48

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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.