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Finding the Fourth Proportional to 503,773.40, 755,660.10 and 354,182.60

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Solution

The fourth proportional to 503,773.40, 755,660.10 and 354,182.60 is: 531,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,773.40 : 755,660.10 = 354,182.60 : x
  2. Step 2: Convert to fraction form
    503,773.40/755,660.10 = 354,182.60/x
  3. Step 3: Cross multiply
    503,773.40x = 755,660.10 × 354,182.60
  4. Step 4: Simplify right side
    503,773.40x = 267,641,658,934.26
  5. Step 5: Solve for x
    x = 267,641,658,934.26/503,773.40
  6. Step 6: Final answer
    x = 531,273.90

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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.