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Finding the Fourth Proportional to 207,278.60, 310,457.10 and 179,630.60

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Solution

The fourth proportional to 207,278.60, 310,457.10 and 179,630.60 is: 269,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,278.60 : 310,457.10 = 179,630.60 : x
  2. Step 2: Convert to fraction form
    207,278.60/310,457.10 = 179,630.60/x
  3. Step 3: Cross multiply
    207,278.60x = 310,457.10 × 179,630.60
  4. Step 4: Simplify right side
    207,278.60x = 55,767,595,147.26
  5. Step 5: Solve for x
    x = 55,767,595,147.26/207,278.60
  6. Step 6: Final answer
    x = 269,046.56

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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.