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Finding the Fourth Proportional to 573,338.98, 860,013.66 and 173,979.75

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Solution

The fourth proportional to 573,338.98, 860,013.66 and 173,979.75 is: 260,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,338.98 : 860,013.66 = 173,979.75 : x
  2. Step 2: Convert to fraction form
    573,338.98/860,013.66 = 173,979.75/x
  3. Step 3: Cross multiply
    573,338.98x = 860,013.66 × 173,979.75
  4. Step 4: Simplify right side
    573,338.98x = 149,624,965,440.86
  5. Step 5: Solve for x
    x = 149,624,965,440.86/573,338.98
  6. Step 6: Final answer
    x = 260,971.21

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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.