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Finding the Fourth Proportional to 433,719.80, 650,579.70 and 167,492.60

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Solution

The fourth proportional to 433,719.80, 650,579.70 and 167,492.60 is: 251,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,719.80 : 650,579.70 = 167,492.60 : x
  2. Step 2: Convert to fraction form
    433,719.80/650,579.70 = 167,492.60/x
  3. Step 3: Cross multiply
    433,719.80x = 650,579.70 × 167,492.60
  4. Step 4: Simplify right side
    433,719.80x = 108,967,285,460.22
  5. Step 5: Solve for x
    x = 108,967,285,460.22/433,719.80
  6. Step 6: Final answer
    x = 251,238.90

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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.