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Finding the Fourth Proportional to 371,635.44, 557,452.08 and 134,977.20

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Solution

The fourth proportional to 371,635.44, 557,452.08 and 134,977.20 is: 202,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,635.44 : 557,452.08 = 134,977.20 : x
  2. Step 2: Convert to fraction form
    371,635.44/557,452.08 = 134,977.20/x
  3. Step 3: Cross multiply
    371,635.44x = 557,452.08 × 134,977.20
  4. Step 4: Simplify right side
    371,635.44x = 75,243,320,892.58
  5. Step 5: Solve for x
    x = 75,243,320,892.58/371,635.44
  6. Step 6: Final answer
    x = 202,465.41

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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.