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Finding the Fourth Proportional to 296,622, 444,988.89 and 119,142.90

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Solution

The fourth proportional to 296,622, 444,988.89 and 119,142.90 is: 178,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,622 : 444,988.89 = 119,142.90 : x
  2. Step 2: Convert to fraction form
    296,622/444,988.89 = 119,142.90/x
  3. Step 3: Cross multiply
    296,622x = 444,988.89 × 119,142.90
  4. Step 4: Simplify right side
    296,622x = 53,017,266,822.38
  5. Step 5: Solve for x
    x = 53,017,266,822.38/296,622
  6. Step 6: Final answer
    x = 178,736.80

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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.