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Finding the Fourth Proportional to 371,433.44, 557,371.48 and 134,794.56

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Solution

The fourth proportional to 371,433.44, 557,371.48 and 134,794.56 is: 202,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,433.44 : 557,371.48 = 134,794.56 : x
  2. Step 2: Convert to fraction form
    371,433.44/557,371.48 = 134,794.56/x
  3. Step 3: Cross multiply
    371,433.44x = 557,371.48 × 134,794.56
  4. Step 4: Simplify right side
    371,433.44x = 75,130,643,403.15
  5. Step 5: Solve for x
    x = 75,130,643,403.15/371,433.44
  6. Step 6: Final answer
    x = 202,272.16

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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.