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Finding the Fourth Proportional to 371,589.66, 557,383.44 and 105,352.44

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Solution

The fourth proportional to 371,589.66, 557,383.44 and 105,352.44 is: 158,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,589.66 : 557,383.44 = 105,352.44 : x
  2. Step 2: Convert to fraction form
    371,589.66/557,383.44 = 105,352.44/x
  3. Step 3: Cross multiply
    371,589.66x = 557,383.44 × 105,352.44
  4. Step 4: Simplify right side
    371,589.66x = 58,721,705,419.59
  5. Step 5: Solve for x
    x = 58,721,705,419.59/371,589.66
  6. Step 6: Final answer
    x = 158,028.36

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1.5x scale

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.