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Finding the Fourth Proportional to 454,892.64, 627,756 and 263,909.28

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Solution

The fourth proportional to 454,892.64, 627,756 and 263,909.28 is: 364,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,892.64 : 627,756 = 263,909.28 : x
  2. Step 2: Convert to fraction form
    454,892.64/627,756 = 263,909.28/x
  3. Step 3: Cross multiply
    454,892.64x = 627,756 × 263,909.28
  4. Step 4: Simplify right side
    454,892.64x = 165,670,633,975.68
  5. Step 5: Solve for x
    x = 165,670,633,975.68/454,892.64
  6. Step 6: Final answer
    x = 364,197.22

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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.