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Finding the Fourth Proportional to 271,290.84, 374,400.54 and 150,443.70

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Solution

The fourth proportional to 271,290.84, 374,400.54 and 150,443.70 is: 207,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,290.84 : 374,400.54 = 150,443.70 : x
  2. Step 2: Convert to fraction form
    271,290.84/374,400.54 = 150,443.70/x
  3. Step 3: Cross multiply
    271,290.84x = 374,400.54 × 150,443.70
  4. Step 4: Simplify right side
    271,290.84x = 56,326,202,519.60
  5. Step 5: Solve for x
    x = 56,326,202,519.60/271,290.84
  6. Step 6: Final answer
    x = 207,622.94

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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.