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Finding the Fourth Proportional to 573,358.80, 860,135.40 and 173,996.40

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Solution

The fourth proportional to 573,358.80, 860,135.40 and 173,996.40 is: 261,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,358.80 : 860,135.40 = 173,996.40 : x
  2. Step 2: Convert to fraction form
    573,358.80/860,135.40 = 173,996.40/x
  3. Step 3: Cross multiply
    573,358.80x = 860,135.40 × 173,996.40
  4. Step 4: Simplify right side
    573,358.80x = 149,660,463,112.56
  5. Step 5: Solve for x
    x = 149,660,463,112.56/573,358.80
  6. Step 6: Final answer
    x = 261,024.10

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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.