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Finding the Fourth Proportional to 461,236.80, 691,855.20 and 367,924.80

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Solution

The fourth proportional to 461,236.80, 691,855.20 and 367,924.80 is: 551,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,236.80 : 691,855.20 = 367,924.80 : x
  2. Step 2: Convert to fraction form
    461,236.80/691,855.20 = 367,924.80/x
  3. Step 3: Cross multiply
    461,236.80x = 691,855.20 × 367,924.80
  4. Step 4: Simplify right side
    461,236.80x = 254,550,686,088.96
  5. Step 5: Solve for x
    x = 254,550,686,088.96/461,236.80
  6. Step 6: Final answer
    x = 551,887.20

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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.