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Finding the Fourth Proportional to 573,519.21, 860,131.20 and 236,655.60

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Solution

The fourth proportional to 573,519.21, 860,131.20 and 236,655.60 is: 354,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,519.21 : 860,131.20 = 236,655.60 : x
  2. Step 2: Convert to fraction form
    573,519.21/860,131.20 = 236,655.60/x
  3. Step 3: Cross multiply
    573,519.21x = 860,131.20 × 236,655.60
  4. Step 4: Simplify right side
    573,519.21x = 203,554,865,214.72
  5. Step 5: Solve for x
    x = 203,554,865,214.72/573,519.21
  6. Step 6: Final answer
    x = 354,922.49

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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.