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Finding the Fourth Proportional to 254,433.60, 380,872.80 and 254,433.60

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Solution

The fourth proportional to 254,433.60, 380,872.80 and 254,433.60 is: 380,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,433.60 : 380,872.80 = 254,433.60 : x
  2. Step 2: Convert to fraction form
    254,433.60/380,872.80 = 254,433.60/x
  3. Step 3: Cross multiply
    254,433.60x = 380,872.80 × 254,433.60
  4. Step 4: Simplify right side
    254,433.60x = 96,906,837,646.08
  5. Step 5: Solve for x
    x = 96,906,837,646.08/254,433.60
  6. Step 6: Final answer
    x = 380,872.80

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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.