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Finding the Fourth Proportional to 297,968.40, 447,125.40 and 110,998.80

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Solution

The fourth proportional to 297,968.40, 447,125.40 and 110,998.80 is: 166,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,968.40 : 447,125.40 = 110,998.80 : x
  2. Step 2: Convert to fraction form
    297,968.40/447,125.40 = 110,998.80/x
  3. Step 3: Cross multiply
    297,968.40x = 447,125.40 × 110,998.80
  4. Step 4: Simplify right side
    297,968.40x = 49,630,382,849.52
  5. Step 5: Solve for x
    x = 49,630,382,849.52/297,968.40
  6. Step 6: Final answer
    x = 166,562.57

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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.