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Finding the Fourth Proportional to 307,800.20, 461,700.30 and 167,832.20

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Solution

The fourth proportional to 307,800.20, 461,700.30 and 167,832.20 is: 251,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,800.20 : 461,700.30 = 167,832.20 : x
  2. Step 2: Convert to fraction form
    307,800.20/461,700.30 = 167,832.20/x
  3. Step 3: Cross multiply
    307,800.20x = 461,700.30 × 167,832.20
  4. Step 4: Simplify right side
    307,800.20x = 77,488,177,089.66
  5. Step 5: Solve for x
    x = 77,488,177,089.66/307,800.20
  6. Step 6: Final answer
    x = 251,748.30

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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.