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Finding the Fourth Proportional to 573,344.92, 860,019.41 and 173,989

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Solution

The fourth proportional to 573,344.92, 860,019.41 and 173,989 is: 260,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,344.92 : 860,019.41 = 173,989 : x
  2. Step 2: Convert to fraction form
    573,344.92/860,019.41 = 173,989/x
  3. Step 3: Cross multiply
    573,344.92x = 860,019.41 × 173,989
  4. Step 4: Simplify right side
    573,344.92x = 149,633,917,126.49
  5. Step 5: Solve for x
    x = 149,633,917,126.49/573,344.92
  6. Step 6: Final answer
    x = 260,984.12

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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.