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Finding the Fourth Proportional to 604,361.28, 906,132.96 and 338,305.44

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Solution

The fourth proportional to 604,361.28, 906,132.96 and 338,305.44 is: 507,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,361.28 : 906,132.96 = 338,305.44 : x
  2. Step 2: Convert to fraction form
    604,361.28/906,132.96 = 338,305.44/x
  3. Step 3: Cross multiply
    604,361.28x = 906,132.96 × 338,305.44
  4. Step 4: Simplify right side
    604,361.28x = 306,549,709,731.30
  5. Step 5: Solve for x
    x = 306,549,709,731.30/604,361.28
  6. Step 6: Final answer
    x = 507,229.24

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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.