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Finding the Fourth Proportional to 299,127.40, 448,935.90 and 296,794.60

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Solution

The fourth proportional to 299,127.40, 448,935.90 and 296,794.60 is: 445,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.40 : 448,935.90 = 296,794.60 : x
  2. Step 2: Convert to fraction form
    299,127.40/448,935.90 = 296,794.60/x
  3. Step 3: Cross multiply
    299,127.40x = 448,935.90 × 296,794.60
  4. Step 4: Simplify right side
    299,127.40x = 133,241,750,866.14
  5. Step 5: Solve for x
    x = 133,241,750,866.14/299,127.40
  6. Step 6: Final answer
    x = 445,434.79

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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.