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Finding the Fourth Proportional to 557,672.48, 769,592.72 and 303,023.70

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Solution

The fourth proportional to 557,672.48, 769,592.72 and 303,023.70 is: 418,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,672.48 : 769,592.72 = 303,023.70 : x
  2. Step 2: Convert to fraction form
    557,672.48/769,592.72 = 303,023.70/x
  3. Step 3: Cross multiply
    557,672.48x = 769,592.72 × 303,023.70
  4. Step 4: Simplify right side
    557,672.48x = 233,204,833,507.46
  5. Step 5: Solve for x
    x = 233,204,833,507.46/557,672.48
  6. Step 6: Final answer
    x = 418,175.26

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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.