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Finding the Fourth Proportional to 503,827.20, 755,724.60 and 166,883.40

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Solution

The fourth proportional to 503,827.20, 755,724.60 and 166,883.40 is: 250,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,827.20 : 755,724.60 = 166,883.40 : x
  2. Step 2: Convert to fraction form
    503,827.20/755,724.60 = 166,883.40/x
  3. Step 3: Cross multiply
    503,827.20x = 755,724.60 × 166,883.40
  4. Step 4: Simplify right side
    503,827.20x = 126,117,890,711.64
  5. Step 5: Solve for x
    x = 126,117,890,711.64/503,827.20
  6. Step 6: Final answer
    x = 250,319.73

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1.5x scale

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.