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Finding the Fourth Proportional to 476,612.33, 657,736.47 and 261,757.04

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Solution

The fourth proportional to 476,612.33, 657,736.47 and 261,757.04 is: 361,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,612.33 : 657,736.47 = 261,757.04 : x
  2. Step 2: Convert to fraction form
    476,612.33/657,736.47 = 261,757.04/x
  3. Step 3: Cross multiply
    476,612.33x = 657,736.47 × 261,757.04
  4. Step 4: Simplify right side
    476,612.33x = 172,167,151,487.25
  5. Step 5: Solve for x
    x = 172,167,151,487.25/476,612.33
  6. Step 6: Final answer
    x = 361,231.01

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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.