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Finding the Fourth Proportional to 606,903.10, 910,609.80 and 326,092.30

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Solution

The fourth proportional to 606,903.10, 910,609.80 and 326,092.30 is: 489,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,903.10 : 910,609.80 = 326,092.30 : x
  2. Step 2: Convert to fraction form
    606,903.10/910,609.80 = 326,092.30/x
  3. Step 3: Cross multiply
    606,903.10x = 910,609.80 × 326,092.30
  4. Step 4: Simplify right side
    606,903.10x = 296,942,844,084.54
  5. Step 5: Solve for x
    x = 296,942,844,084.54/606,903.10
  6. Step 6: Final answer
    x = 489,275.54

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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.