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Finding the Fourth Proportional to 606,872.60, 910,564.06 and 326,061.80

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Solution

The fourth proportional to 606,872.60, 910,564.06 and 326,061.80 is: 489,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,872.60 : 910,564.06 = 326,061.80 : x
  2. Step 2: Convert to fraction form
    606,872.60/910,564.06 = 326,061.80/x
  3. Step 3: Cross multiply
    606,872.60x = 910,564.06 × 326,061.80
  4. Step 4: Simplify right side
    606,872.60x = 296,900,156,418.91
  5. Step 5: Solve for x
    x = 296,900,156,418.91/606,872.60
  6. Step 6: Final answer
    x = 489,229.79

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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.