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Finding the Fourth Proportional to 604,821.60, 906,454.80 and 367,912.80

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Solution

The fourth proportional to 604,821.60, 906,454.80 and 367,912.80 is: 551,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,821.60 : 906,454.80 = 367,912.80 : x
  2. Step 2: Convert to fraction form
    604,821.60/906,454.80 = 367,912.80/x
  3. Step 3: Cross multiply
    604,821.60x = 906,454.80 × 367,912.80
  4. Step 4: Simplify right side
    604,821.60x = 333,496,323,541.44
  5. Step 5: Solve for x
    x = 333,496,323,541.44/604,821.60
  6. Step 6: Final answer
    x = 551,396.19

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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.