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Finding the Fourth Proportional to 590,956.40, 886,434.60 and 253,939.70

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Solution

The fourth proportional to 590,956.40, 886,434.60 and 253,939.70 is: 380,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,956.40 : 886,434.60 = 253,939.70 : x
  2. Step 2: Convert to fraction form
    590,956.40/886,434.60 = 253,939.70/x
  3. Step 3: Cross multiply
    590,956.40x = 886,434.60 × 253,939.70
  4. Step 4: Simplify right side
    590,956.40x = 225,100,936,393.62
  5. Step 5: Solve for x
    x = 225,100,936,393.62/590,956.40
  6. Step 6: Final answer
    x = 380,909.55

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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.