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Finding the Fourth Proportional to 503,572.86, 755,352.37 and 219,257.31

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Solution

The fourth proportional to 503,572.86, 755,352.37 and 219,257.31 is: 328,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,572.86 : 755,352.37 = 219,257.31 : x
  2. Step 2: Convert to fraction form
    503,572.86/755,352.37 = 219,257.31/x
  3. Step 3: Cross multiply
    503,572.86x = 755,352.37 × 219,257.31
  4. Step 4: Simplify right side
    503,572.86x = 165,616,526,189.83
  5. Step 5: Solve for x
    x = 165,616,526,189.83/503,572.86
  6. Step 6: Final answer
    x = 328,882.95

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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.