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Finding the Fourth Proportional to 573,896.10, 860,876.55 and 174,549.90

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Solution

The fourth proportional to 573,896.10, 860,876.55 and 174,549.90 is: 261,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,896.10 : 860,876.55 = 174,549.90 : x
  2. Step 2: Convert to fraction form
    573,896.10/860,876.55 = 174,549.90/x
  3. Step 3: Cross multiply
    573,896.10x = 860,876.55 × 174,549.90
  4. Step 4: Simplify right side
    573,896.10x = 150,265,915,714.85
  5. Step 5: Solve for x
    x = 150,265,915,714.85/573,896.10
  6. Step 6: Final answer
    x = 261,834.70

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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.