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Finding the Fourth Proportional to 395,193.89, 592,789.92 and 305,367.19

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Solution

The fourth proportional to 395,193.89, 592,789.92 and 305,367.19 is: 458,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,193.89 : 592,789.92 = 305,367.19 : x
  2. Step 2: Convert to fraction form
    395,193.89/592,789.92 = 305,367.19/x
  3. Step 3: Cross multiply
    395,193.89x = 592,789.92 × 305,367.19
  4. Step 4: Simplify right side
    395,193.89x = 181,018,592,029.69
  5. Step 5: Solve for x
    x = 181,018,592,029.69/395,193.89
  6. Step 6: Final answer
    x = 458,050.08

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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.