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Finding the Fourth Proportional to 454,915.28, 627,580.14 and 263,817.98

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Solution

The fourth proportional to 454,915.28, 627,580.14 and 263,817.98 is: 363,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,915.28 : 627,580.14 = 263,817.98 : x
  2. Step 2: Convert to fraction form
    454,915.28/627,580.14 = 263,817.98/x
  3. Step 3: Cross multiply
    454,915.28x = 627,580.14 × 263,817.98
  4. Step 4: Simplify right side
    454,915.28x = 165,566,924,822.92
  5. Step 5: Solve for x
    x = 165,566,924,822.92/454,915.28
  6. Step 6: Final answer
    x = 363,951.12

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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.