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Finding the Fourth Proportional to 603,551.60, 905,327.40 and 204,205.40

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Solution

The fourth proportional to 603,551.60, 905,327.40 and 204,205.40 is: 306,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,551.60 : 905,327.40 = 204,205.40 : x
  2. Step 2: Convert to fraction form
    603,551.60/905,327.40 = 204,205.40/x
  3. Step 3: Cross multiply
    603,551.60x = 905,327.40 × 204,205.40
  4. Step 4: Simplify right side
    603,551.60x = 184,872,743,847.96
  5. Step 5: Solve for x
    x = 184,872,743,847.96/603,551.60
  6. Step 6: Final answer
    x = 306,308.10

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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.