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Finding the Fourth Proportional to 604,808.89, 906,704.84 and 404,517.96

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Solution

The fourth proportional to 604,808.89, 906,704.84 and 404,517.96 is: 606,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,808.89 : 906,704.84 = 404,517.96 : x
  2. Step 2: Convert to fraction form
    604,808.89/906,704.84 = 404,517.96/x
  3. Step 3: Cross multiply
    604,808.89x = 906,704.84 × 404,517.96
  4. Step 4: Simplify right side
    604,808.89x = 366,778,385,642.81
  5. Step 5: Solve for x
    x = 366,778,385,642.81/604,808.89
  6. Step 6: Final answer
    x = 606,436.83

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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.