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Finding the Fourth Proportional to 573,355.26, 860,034.78 and 173,999.34

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Solution

The fourth proportional to 573,355.26, 860,034.78 and 173,999.34 is: 260,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,355.26 : 860,034.78 = 173,999.34 : x
  2. Step 2: Convert to fraction form
    573,355.26/860,034.78 = 173,999.34/x
  3. Step 3: Cross multiply
    573,355.26x = 860,034.78 × 173,999.34
  4. Step 4: Simplify right side
    573,355.26x = 149,645,484,097.05
  5. Step 5: Solve for x
    x = 149,645,484,097.05/573,355.26
  6. Step 6: Final answer
    x = 260,999.58

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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.