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Finding the Fourth Proportional to 296,857.20, 444,940.20 and 119,276.40

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Solution

The fourth proportional to 296,857.20, 444,940.20 and 119,276.40 is: 178,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,857.20 : 444,940.20 = 119,276.40 : x
  2. Step 2: Convert to fraction form
    296,857.20/444,940.20 = 119,276.40/x
  3. Step 3: Cross multiply
    296,857.20x = 444,940.20 × 119,276.40
  4. Step 4: Simplify right side
    296,857.20x = 53,070,865,271.28
  5. Step 5: Solve for x
    x = 53,070,865,271.28/296,857.20
  6. Step 6: Final answer
    x = 178,775.74

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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.