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Finding the Fourth Proportional to 557,523.81, 769,505.31 and 366,554.97

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Solution

The fourth proportional to 557,523.81, 769,505.31 and 366,554.97 is: 505,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,523.81 : 769,505.31 = 366,554.97 : x
  2. Step 2: Convert to fraction form
    557,523.81/769,505.31 = 366,554.97/x
  3. Step 3: Cross multiply
    557,523.81x = 769,505.31 × 366,554.97
  4. Step 4: Simplify right side
    557,523.81x = 282,065,995,821.89
  5. Step 5: Solve for x
    x = 282,065,995,821.89/557,523.81
  6. Step 6: Final answer
    x = 505,926.37

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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.