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Finding the Fourth Proportional to 483,734.76, 725,618.34 and 168,194.40

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Solution

The fourth proportional to 483,734.76, 725,618.34 and 168,194.40 is: 252,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,734.76 : 725,618.34 = 168,194.40 : x
  2. Step 2: Convert to fraction form
    483,734.76/725,618.34 = 168,194.40/x
  3. Step 3: Cross multiply
    483,734.76x = 725,618.34 × 168,194.40
  4. Step 4: Simplify right side
    483,734.76x = 122,044,941,325.30
  5. Step 5: Solve for x
    x = 122,044,941,325.30/483,734.76
  6. Step 6: Final answer
    x = 252,297.23

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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.