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Finding the Fourth Proportional to 633,779.76, 950,029.94 and 397,288.52

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Solution

The fourth proportional to 633,779.76, 950,029.94 and 397,288.52 is: 595,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,779.76 : 950,029.94 = 397,288.52 : x
  2. Step 2: Convert to fraction form
    633,779.76/950,029.94 = 397,288.52/x
  3. Step 3: Cross multiply
    633,779.76x = 950,029.94 × 397,288.52
  4. Step 4: Simplify right side
    633,779.76x = 377,435,988,623.97
  5. Step 5: Solve for x
    x = 377,435,988,623.97/633,779.76
  6. Step 6: Final answer
    x = 595,531.78

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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.