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Finding the Fourth Proportional to 479,591.62, 661,832.70 and 264,731.62

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Solution

The fourth proportional to 479,591.62, 661,832.70 and 264,731.62 is: 365,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,591.62 : 661,832.70 = 264,731.62 : x
  2. Step 2: Convert to fraction form
    479,591.62/661,832.70 = 264,731.62/x
  3. Step 3: Cross multiply
    479,591.62x = 661,832.70 × 264,731.62
  4. Step 4: Simplify right side
    479,591.62x = 175,208,042,839.97
  5. Step 5: Solve for x
    x = 175,208,042,839.97/479,591.62
  6. Step 6: Final answer
    x = 365,327.57

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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.