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Finding the Fourth Proportional to 529,658.40, 794,276.40 and 174,573.60

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Solution

The fourth proportional to 529,658.40, 794,276.40 and 174,573.60 is: 261,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,658.40 : 794,276.40 = 174,573.60 : x
  2. Step 2: Convert to fraction form
    529,658.40/794,276.40 = 174,573.60/x
  3. Step 3: Cross multiply
    529,658.40x = 794,276.40 × 174,573.60
  4. Step 4: Simplify right side
    529,658.40x = 138,659,690,543.04
  5. Step 5: Solve for x
    x = 138,659,690,543.04/529,658.40
  6. Step 6: Final answer
    x = 261,790.79

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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.