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Finding the Fourth Proportional to 495,410.40, 743,115.60 and 179,877.60

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Solution

The fourth proportional to 495,410.40, 743,115.60 and 179,877.60 is: 269,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,410.40 : 743,115.60 = 179,877.60 : x
  2. Step 2: Convert to fraction form
    495,410.40/743,115.60 = 179,877.60/x
  3. Step 3: Cross multiply
    495,410.40x = 743,115.60 × 179,877.60
  4. Step 4: Simplify right side
    495,410.40x = 133,669,850,650.56
  5. Step 5: Solve for x
    x = 133,669,850,650.56/495,410.40
  6. Step 6: Final answer
    x = 269,816.40

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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.