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Finding the Fourth Proportional to 529,821.12, 794,653.92 and 174,843.84

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Solution

The fourth proportional to 529,821.12, 794,653.92 and 174,843.84 is: 262,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,821.12 : 794,653.92 = 174,843.84 : x
  2. Step 2: Convert to fraction form
    529,821.12/794,653.92 = 174,843.84/x
  3. Step 3: Cross multiply
    529,821.12x = 794,653.92 × 174,843.84
  4. Step 4: Simplify right side
    529,821.12x = 138,940,342,843.85
  5. Step 5: Solve for x
    x = 138,940,342,843.85/529,821.12
  6. Step 6: Final answer
    x = 262,240.10

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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.