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Finding the Fourth Proportional to 495,497.80, 743,441.10 and 179,986.60

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Solution

The fourth proportional to 495,497.80, 743,441.10 and 179,986.60 is: 270,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,497.80 : 743,441.10 = 179,986.60 : x
  2. Step 2: Convert to fraction form
    495,497.80/743,441.10 = 179,986.60/x
  3. Step 3: Cross multiply
    495,497.80x = 743,441.10 × 179,986.60
  4. Step 4: Simplify right side
    495,497.80x = 133,809,435,889.26
  5. Step 5: Solve for x
    x = 133,809,435,889.26/495,497.80
  6. Step 6: Final answer
    x = 270,050.51

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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.