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Finding the Fourth Proportional to 603,847.40, 906,354.30 and 367,651.40

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Solution

The fourth proportional to 603,847.40, 906,354.30 and 367,651.40 is: 551,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,847.40 : 906,354.30 = 367,651.40 : x
  2. Step 2: Convert to fraction form
    603,847.40/906,354.30 = 367,651.40/x
  3. Step 3: Cross multiply
    603,847.40x = 906,354.30 × 367,651.40
  4. Step 4: Simplify right side
    603,847.40x = 333,222,427,291.02
  5. Step 5: Solve for x
    x = 333,222,427,291.02/603,847.40
  6. Step 6: Final answer
    x = 551,832.18

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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.