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Finding the Fourth Proportional to 529,660.40, 794,279.40 and 174,575.60

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Solution

The fourth proportional to 529,660.40, 794,279.40 and 174,575.60 is: 261,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,660.40 : 794,279.40 = 174,575.60 : x
  2. Step 2: Convert to fraction form
    529,660.40/794,279.40 = 174,575.60/x
  3. Step 3: Cross multiply
    529,660.40x = 794,279.40 × 174,575.60
  4. Step 4: Simplify right side
    529,660.40x = 138,661,802,822.64
  5. Step 5: Solve for x
    x = 138,661,802,822.64/529,660.40
  6. Step 6: Final answer
    x = 261,793.79

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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.