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Finding the Fourth Proportional to 454,588.74, 627,322.59 and 263,619.90

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Solution

The fourth proportional to 454,588.74, 627,322.59 and 263,619.90 is: 363,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,588.74 : 627,322.59 = 263,619.90 : x
  2. Step 2: Convert to fraction form
    454,588.74/627,322.59 = 263,619.90/x
  3. Step 3: Cross multiply
    454,588.74x = 627,322.59 × 263,619.90
  4. Step 4: Simplify right side
    454,588.74x = 165,374,718,443.54
  5. Step 5: Solve for x
    x = 165,374,718,443.54/454,588.74
  6. Step 6: Final answer
    x = 363,789.74

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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.