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Finding the Fourth Proportional to 481,214.64, 721,818.72 and 376,122

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Solution

The fourth proportional to 481,214.64, 721,818.72 and 376,122 is: 564,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,214.64 : 721,818.72 = 376,122 : x
  2. Step 2: Convert to fraction form
    481,214.64/721,818.72 = 376,122/x
  3. Step 3: Cross multiply
    481,214.64x = 721,818.72 × 376,122
  4. Step 4: Simplify right side
    481,214.64x = 271,491,900,603.84
  5. Step 5: Solve for x
    x = 271,491,900,603.84/481,214.64
  6. Step 6: Final answer
    x = 564,180.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.