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Finding the Fourth Proportional to 606,902.10, 910,608.30 and 326,091.30

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Solution

The fourth proportional to 606,902.10, 910,608.30 and 326,091.30 is: 489,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,902.10 : 910,608.30 = 326,091.30 : x
  2. Step 2: Convert to fraction form
    606,902.10/910,608.30 = 326,091.30/x
  3. Step 3: Cross multiply
    606,902.10x = 910,608.30 × 326,091.30
  4. Step 4: Simplify right side
    606,902.10x = 296,941,444,337.79
  5. Step 5: Solve for x
    x = 296,941,444,337.79/606,902.10
  6. Step 6: Final answer
    x = 489,274.04

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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.