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Finding the Fourth Proportional to 573,535.88, 860,284.38 and 218,537.16

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Solution

The fourth proportional to 573,535.88, 860,284.38 and 218,537.16 is: 327,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,535.88 : 860,284.38 = 218,537.16 : x
  2. Step 2: Convert to fraction form
    573,535.88/860,284.38 = 218,537.16/x
  3. Step 3: Cross multiply
    573,535.88x = 860,284.38 × 218,537.16
  4. Step 4: Simplify right side
    573,535.88x = 188,004,105,197.56
  5. Step 5: Solve for x
    x = 188,004,105,197.56/573,535.88
  6. Step 6: Final answer
    x = 327,798.33

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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.