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Finding the Fourth Proportional to 604,819.60, 906,451.80 and 367,910.80

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Solution

The fourth proportional to 604,819.60, 906,451.80 and 367,910.80 is: 551,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,819.60 : 906,451.80 = 367,910.80 : x
  2. Step 2: Convert to fraction form
    604,819.60/906,451.80 = 367,910.80/x
  3. Step 3: Cross multiply
    604,819.60x = 906,451.80 × 367,910.80
  4. Step 4: Simplify right side
    604,819.60x = 333,493,406,899.44
  5. Step 5: Solve for x
    x = 333,493,406,899.44/604,819.60
  6. Step 6: Final answer
    x = 551,393.19

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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.