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Finding the Fourth Proportional to 573,645.83, 860,524.97 and 209,006.57

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Solution

The fourth proportional to 573,645.83, 860,524.97 and 209,006.57 is: 313,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,645.83 : 860,524.97 = 209,006.57 : x
  2. Step 2: Convert to fraction form
    573,645.83/860,524.97 = 209,006.57/x
  3. Step 3: Cross multiply
    573,645.83x = 860,524.97 × 209,006.57
  4. Step 4: Simplify right side
    573,645.83x = 179,855,373,485.33
  5. Step 5: Solve for x
    x = 179,855,373,485.33/573,645.83
  6. Step 6: Final answer
    x = 313,530.35

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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.