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Finding the Fourth Proportional to 307,968.60, 461,952.90 and 168,000.60

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Solution

The fourth proportional to 307,968.60, 461,952.90 and 168,000.60 is: 252,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,968.60 : 461,952.90 = 168,000.60 : x
  2. Step 2: Convert to fraction form
    307,968.60/461,952.90 = 168,000.60/x
  3. Step 3: Cross multiply
    307,968.60x = 461,952.90 × 168,000.60
  4. Step 4: Simplify right side
    307,968.60x = 77,608,364,371.74
  5. Step 5: Solve for x
    x = 77,608,364,371.74/307,968.60
  6. Step 6: Final answer
    x = 252,000.90

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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.