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Finding the Fourth Proportional to 579,060.07, 868,706.19 and 199,994.70

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Solution

The fourth proportional to 579,060.07, 868,706.19 and 199,994.70 is: 300,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,060.07 : 868,706.19 = 199,994.70 : x
  2. Step 2: Convert to fraction form
    579,060.07/868,706.19 = 199,994.70/x
  3. Step 3: Cross multiply
    579,060.07x = 868,706.19 × 199,994.70
  4. Step 4: Simplify right side
    579,060.07x = 173,736,633,857.19
  5. Step 5: Solve for x
    x = 173,736,633,857.19/579,060.07
  6. Step 6: Final answer
    x = 300,032.14

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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.