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Finding the Fourth Proportional to 605,814.85, 836,020.60 and 333,883

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Solution

The fourth proportional to 605,814.85, 836,020.60 and 333,883 is: 460,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,814.85 : 836,020.60 = 333,883 : x
  2. Step 2: Convert to fraction form
    605,814.85/836,020.60 = 333,883/x
  3. Step 3: Cross multiply
    605,814.85x = 836,020.60 × 333,883
  4. Step 4: Simplify right side
    605,814.85x = 279,133,065,989.80
  5. Step 5: Solve for x
    x = 279,133,065,989.80/605,814.85
  6. Step 6: Final answer
    x = 460,756.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.