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Finding the Fourth Proportional to 557,673.69, 769,594.56 and 303,024.87

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Solution

The fourth proportional to 557,673.69, 769,594.56 and 303,024.87 is: 418,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,673.69 : 769,594.56 = 303,024.87 : x
  2. Step 2: Convert to fraction form
    557,673.69/769,594.56 = 303,024.87/x
  3. Step 3: Cross multiply
    557,673.69x = 769,594.56 × 303,024.87
  4. Step 4: Simplify right side
    557,673.69x = 233,206,291,496.71
  5. Step 5: Solve for x
    x = 233,206,291,496.71/557,673.69
  6. Step 6: Final answer
    x = 418,176.97

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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.