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Finding the Fourth Proportional to 299,359.84, 412,719.60 and 248,179.36

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Solution

The fourth proportional to 299,359.84, 412,719.60 and 248,179.36 is: 342,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,359.84 : 412,719.60 = 248,179.36 : x
  2. Step 2: Convert to fraction form
    299,359.84/412,719.60 = 248,179.36/x
  3. Step 3: Cross multiply
    299,359.84x = 412,719.60 × 248,179.36
  4. Step 4: Simplify right side
    299,359.84x = 102,428,486,187.46
  5. Step 5: Solve for x
    x = 102,428,486,187.46/299,359.84
  6. Step 6: Final answer
    x = 342,158.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.