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Finding the Fourth Proportional to 326,333.68, 489,499.03 and 101,694.29

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Solution

The fourth proportional to 326,333.68, 489,499.03 and 101,694.29 is: 152,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,333.68 : 489,499.03 = 101,694.29 : x
  2. Step 2: Convert to fraction form
    326,333.68/489,499.03 = 101,694.29/x
  3. Step 3: Cross multiply
    326,333.68x = 489,499.03 × 101,694.29
  4. Step 4: Simplify right side
    326,333.68x = 49,779,253,991.16
  5. Step 5: Solve for x
    x = 49,779,253,991.16/326,333.68
  6. Step 6: Final answer
    x = 152,540.96

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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.