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Finding the Fourth Proportional to 503,853.60, 755,780.40 and 166,803.60

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Solution

The fourth proportional to 503,853.60, 755,780.40 and 166,803.60 is: 250,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,853.60 : 755,780.40 = 166,803.60 : x
  2. Step 2: Convert to fraction form
    503,853.60/755,780.40 = 166,803.60/x
  3. Step 3: Cross multiply
    503,853.60x = 755,780.40 × 166,803.60
  4. Step 4: Simplify right side
    503,853.60x = 126,066,891,529.44
  5. Step 5: Solve for x
    x = 126,066,891,529.44/503,853.60
  6. Step 6: Final answer
    x = 250,205.40

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Double scale
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Similar ratio
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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.