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Finding the Fourth Proportional to 557,132.69, 835,600.23 and 253,456.29

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Solution

The fourth proportional to 557,132.69, 835,600.23 and 253,456.29 is: 380,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,132.69 : 835,600.23 = 253,456.29 : x
  2. Step 2: Convert to fraction form
    557,132.69/835,600.23 = 253,456.29/x
  3. Step 3: Cross multiply
    557,132.69x = 835,600.23 × 253,456.29
  4. Step 4: Simplify right side
    557,132.69x = 211,788,134,218.95
  5. Step 5: Solve for x
    x = 211,788,134,218.95/557,132.69
  6. Step 6: Final answer
    x = 380,139.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.