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Finding the Fourth Proportional to 307,839.92, 461,756.92 and 165,751.60

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Solution

The fourth proportional to 307,839.92, 461,756.92 and 165,751.60 is: 248,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,839.92 : 461,756.92 = 165,751.60 : x
  2. Step 2: Convert to fraction form
    307,839.92/461,756.92 = 165,751.60/x
  3. Step 3: Cross multiply
    307,839.92x = 461,756.92 × 165,751.60
  4. Step 4: Simplify right side
    307,839.92x = 76,536,948,301.07
  5. Step 5: Solve for x
    x = 76,536,948,301.07/307,839.92
  6. Step 6: Final answer
    x = 248,625.81

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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.