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Finding the Fourth Proportional to 483,396.80, 725,095.20 and 167,820.80

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Solution

The fourth proportional to 483,396.80, 725,095.20 and 167,820.80 is: 251,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,396.80 : 725,095.20 = 167,820.80 : x
  2. Step 2: Convert to fraction form
    483,396.80/725,095.20 = 167,820.80/x
  3. Step 3: Cross multiply
    483,396.80x = 725,095.20 × 167,820.80
  4. Step 4: Simplify right side
    483,396.80x = 121,686,056,540.16
  5. Step 5: Solve for x
    x = 121,686,056,540.16/483,396.80
  6. Step 6: Final answer
    x = 251,731.20

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Similar ratio
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1.5x scale

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.