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Finding the Fourth Proportional to 529,803.20, 795,204 and 193,169.12

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Solution

The fourth proportional to 529,803.20, 795,204 and 193,169.12 is: 289,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,803.20 : 795,204 = 193,169.12 : x
  2. Step 2: Convert to fraction form
    529,803.20/795,204 = 193,169.12/x
  3. Step 3: Cross multiply
    529,803.20x = 795,204 × 193,169.12
  4. Step 4: Simplify right side
    529,803.20x = 153,608,856,900.48
  5. Step 5: Solve for x
    x = 153,608,856,900.48/529,803.20
  6. Step 6: Final answer
    x = 289,935.69

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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.