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Finding the Fourth Proportional to 608,189.85, 839,237.69 and 336,213.90

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Solution

The fourth proportional to 608,189.85, 839,237.69 and 336,213.90 is: 463,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,189.85 : 839,237.69 = 336,213.90 : x
  2. Step 2: Convert to fraction form
    608,189.85/839,237.69 = 336,213.90/x
  3. Step 3: Cross multiply
    608,189.85x = 839,237.69 × 336,213.90
  4. Step 4: Simplify right side
    608,189.85x = 282,163,377,622.43
  5. Step 5: Solve for x
    x = 282,163,377,622.43/608,189.85
  6. Step 6: Final answer
    x = 463,939.64

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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.