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Finding the Fourth Proportional to 573,259.78, 860,012 and 194,167.24

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Solution

The fourth proportional to 573,259.78, 860,012 and 194,167.24 is: 291,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,259.78 : 860,012 = 194,167.24 : x
  2. Step 2: Convert to fraction form
    573,259.78/860,012 = 194,167.24/x
  3. Step 3: Cross multiply
    573,259.78x = 860,012 × 194,167.24
  4. Step 4: Simplify right side
    573,259.78x = 166,986,156,406.88
  5. Step 5: Solve for x
    x = 166,986,156,406.88/573,259.78
  6. Step 6: Final answer
    x = 291,292.29

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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.