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Finding the Fourth Proportional to 591,213.80, 886,820.70 and 236,282.60

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Solution

The fourth proportional to 591,213.80, 886,820.70 and 236,282.60 is: 354,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,213.80 : 886,820.70 = 236,282.60 : x
  2. Step 2: Convert to fraction form
    591,213.80/886,820.70 = 236,282.60/x
  3. Step 3: Cross multiply
    591,213.80x = 886,820.70 × 236,282.60
  4. Step 4: Simplify right side
    591,213.80x = 209,540,300,729.82
  5. Step 5: Solve for x
    x = 209,540,300,729.82/591,213.80
  6. Step 6: Final answer
    x = 354,423.90

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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.