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Finding the Fourth Proportional to 483,400.80, 725,101.20 and 167,824.80

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Solution

The fourth proportional to 483,400.80, 725,101.20 and 167,824.80 is: 251,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,400.80 : 725,101.20 = 167,824.80 : x
  2. Step 2: Convert to fraction form
    483,400.80/725,101.20 = 167,824.80/x
  3. Step 3: Cross multiply
    483,400.80x = 725,101.20 × 167,824.80
  4. Step 4: Simplify right side
    483,400.80x = 121,689,963,869.76
  5. Step 5: Solve for x
    x = 121,689,963,869.76/483,400.80
  6. Step 6: Final answer
    x = 251,737.20

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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.