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Finding the Fourth Proportional to 573,548.60, 860,344.80 and 213,808.98

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Solution

The fourth proportional to 573,548.60, 860,344.80 and 213,808.98 is: 320,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,548.60 : 860,344.80 = 213,808.98 : x
  2. Step 2: Convert to fraction form
    573,548.60/860,344.80 = 213,808.98/x
  3. Step 3: Cross multiply
    573,548.60x = 860,344.80 × 213,808.98
  4. Step 4: Simplify right side
    573,548.60x = 183,949,444,136.30
  5. Step 5: Solve for x
    x = 183,949,444,136.30/573,548.60
  6. Step 6: Final answer
    x = 320,721.63

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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.