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Finding the Fourth Proportional to 454,881.15, 627,702.62 and 263,857.77

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Solution

The fourth proportional to 454,881.15, 627,702.62 and 263,857.77 is: 364,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,881.15 : 627,702.62 = 263,857.77 : x
  2. Step 2: Convert to fraction form
    454,881.15/627,702.62 = 263,857.77/x
  3. Step 3: Cross multiply
    454,881.15x = 627,702.62 × 263,857.77
  4. Step 4: Simplify right side
    454,881.15x = 165,624,212,217.07
  5. Step 5: Solve for x
    x = 165,624,212,217.07/454,881.15
  6. Step 6: Final answer
    x = 364,104.36

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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.