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Finding the Fourth Proportional to 529,412.10, 794,273.97 and 192,447.45

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Solution

The fourth proportional to 529,412.10, 794,273.97 and 192,447.45 is: 288,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,412.10 : 794,273.97 = 192,447.45 : x
  2. Step 2: Convert to fraction form
    529,412.10/794,273.97 = 192,447.45/x
  3. Step 3: Cross multiply
    529,412.10x = 794,273.97 × 192,447.45
  4. Step 4: Simplify right side
    529,412.10x = 152,856,000,127.88
  5. Step 5: Solve for x
    x = 152,856,000,127.88/529,412.10
  6. Step 6: Final answer
    x = 288,727.82

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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.