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Finding the Fourth Proportional to 502,361.82, 693,256.52 and 272,917.27

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Solution

The fourth proportional to 502,361.82, 693,256.52 and 272,917.27 is: 376,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,361.82 : 693,256.52 = 272,917.27 : x
  2. Step 2: Convert to fraction form
    502,361.82/693,256.52 = 272,917.27/x
  3. Step 3: Cross multiply
    502,361.82x = 693,256.52 × 272,917.27
  4. Step 4: Simplify right side
    502,361.82x = 189,201,676,848.10
  5. Step 5: Solve for x
    x = 189,201,676,848.10/502,361.82
  6. Step 6: Final answer
    x = 376,624.32

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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.