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Finding the Fourth Proportional to 573,534.88, 860,282.88 and 218,536.16

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Solution

The fourth proportional to 573,534.88, 860,282.88 and 218,536.16 is: 327,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,534.88 : 860,282.88 = 218,536.16 : x
  2. Step 2: Convert to fraction form
    573,534.88/860,282.88 = 218,536.16/x
  3. Step 3: Cross multiply
    573,534.88x = 860,282.88 × 218,536.16
  4. Step 4: Simplify right side
    573,534.88x = 188,002,917,108.94
  5. Step 5: Solve for x
    x = 188,002,917,108.94/573,534.88
  6. Step 6: Final answer
    x = 327,796.83

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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.