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Finding the Fourth Proportional to 638,361.76, 957,536.88 and 244,377.76

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Solution

The fourth proportional to 638,361.76, 957,536.88 and 244,377.76 is: 366,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,361.76 : 957,536.88 = 244,377.76 : x
  2. Step 2: Convert to fraction form
    638,361.76/957,536.88 = 244,377.76/x
  3. Step 3: Cross multiply
    638,361.76x = 957,536.88 × 244,377.76
  4. Step 4: Simplify right side
    638,361.76x = 234,000,717,851.79
  5. Step 5: Solve for x
    x = 234,000,717,851.79/638,361.76
  6. Step 6: Final answer
    x = 366,564.43

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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.