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Finding the Fourth Proportional to 454,892.86, 627,758.67 and 263,963.98

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Solution

The fourth proportional to 454,892.86, 627,758.67 and 263,963.98 is: 364,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,892.86 : 627,758.67 = 263,963.98 : x
  2. Step 2: Convert to fraction form
    454,892.86/627,758.67 = 263,963.98/x
  3. Step 3: Cross multiply
    454,892.86x = 627,758.67 × 263,963.98
  4. Step 4: Simplify right side
    454,892.86x = 165,705,677,012.71
  5. Step 5: Solve for x
    x = 165,705,677,012.71/454,892.86
  6. Step 6: Final answer
    x = 364,274.08

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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.