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Finding the Fourth Proportional to 299,241.40, 449,106.90 and 296,908.60

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Solution

The fourth proportional to 299,241.40, 449,106.90 and 296,908.60 is: 445,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,241.40 : 449,106.90 = 296,908.60 : x
  2. Step 2: Convert to fraction form
    299,241.40/449,106.90 = 296,908.60/x
  3. Step 3: Cross multiply
    299,241.40x = 449,106.90 × 296,908.60
  4. Step 4: Simplify right side
    299,241.40x = 133,343,700,929.34
  5. Step 5: Solve for x
    x = 133,343,700,929.34/299,241.40
  6. Step 6: Final answer
    x = 445,605.79

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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.