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Finding the Fourth Proportional to 484,525.60, 726,820.80 and 164,672.80

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Solution

The fourth proportional to 484,525.60, 726,820.80 and 164,672.80 is: 247,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,525.60 : 726,820.80 = 164,672.80 : x
  2. Step 2: Convert to fraction form
    484,525.60/726,820.80 = 164,672.80/x
  3. Step 3: Cross multiply
    484,525.60x = 726,820.80 × 164,672.80
  4. Step 4: Simplify right side
    484,525.60x = 119,687,616,234.24
  5. Step 5: Solve for x
    x = 119,687,616,234.24/484,525.60
  6. Step 6: Final answer
    x = 247,020.21

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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.