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Finding the Fourth Proportional to 461,261.80, 691,892.70 and 367,949.80

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Solution

The fourth proportional to 461,261.80, 691,892.70 and 367,949.80 is: 551,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,261.80 : 691,892.70 = 367,949.80 : x
  2. Step 2: Convert to fraction form
    461,261.80/691,892.70 = 367,949.80/x
  3. Step 3: Cross multiply
    461,261.80x = 691,892.70 × 367,949.80
  4. Step 4: Simplify right side
    461,261.80x = 254,581,780,586.46
  5. Step 5: Solve for x
    x = 254,581,780,586.46/461,261.80
  6. Step 6: Final answer
    x = 551,924.70

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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.