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Finding the Fourth Proportional to 484,494.60, 726,482.70 and 168,961.80

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Solution

The fourth proportional to 484,494.60, 726,482.70 and 168,961.80 is: 253,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,494.60 : 726,482.70 = 168,961.80 : x
  2. Step 2: Convert to fraction form
    484,494.60/726,482.70 = 168,961.80/x
  3. Step 3: Cross multiply
    484,494.60x = 726,482.70 × 168,961.80
  4. Step 4: Simplify right side
    484,494.60x = 122,747,824,660.86
  5. Step 5: Solve for x
    x = 122,747,824,660.86/484,494.60
  6. Step 6: Final answer
    x = 253,352.31

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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.