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Finding the Fourth Proportional to 371,768, 557,338.44 and 161,247.36

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Solution

The fourth proportional to 371,768, 557,338.44 and 161,247.36 is: 241,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,768 : 557,338.44 = 161,247.36 : x
  2. Step 2: Convert to fraction form
    371,768/557,338.44 = 161,247.36/x
  3. Step 3: Cross multiply
    371,768x = 557,338.44 × 161,247.36
  4. Step 4: Simplify right side
    371,768x = 89,869,352,076.52
  5. Step 5: Solve for x
    x = 89,869,352,076.52/371,768
  6. Step 6: Final answer
    x = 241,735.04

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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.