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Finding the Fourth Proportional to 573,343.92, 860,017.91 and 173,988

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Solution

The fourth proportional to 573,343.92, 860,017.91 and 173,988 is: 260,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,343.92 : 860,017.91 = 173,988 : x
  2. Step 2: Convert to fraction form
    573,343.92/860,017.91 = 173,988/x
  3. Step 3: Cross multiply
    573,343.92x = 860,017.91 × 173,988
  4. Step 4: Simplify right side
    573,343.92x = 149,632,795,255.14
  5. Step 5: Solve for x
    x = 149,632,795,255.14/573,343.92
  6. Step 6: Final answer
    x = 260,982.61

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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.