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Finding the Fourth Proportional to 335,846.40, 503,769.60 and 99,188.70

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Solution

The fourth proportional to 335,846.40, 503,769.60 and 99,188.70 is: 148,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,846.40 : 503,769.60 = 99,188.70 : x
  2. Step 2: Convert to fraction form
    335,846.40/503,769.60 = 99,188.70/x
  3. Step 3: Cross multiply
    335,846.40x = 503,769.60 × 99,188.70
  4. Step 4: Simplify right side
    335,846.40x = 49,968,251,723.52
  5. Step 5: Solve for x
    x = 49,968,251,723.52/335,846.40
  6. Step 6: Final answer
    x = 148,783.05

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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.