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Finding the Fourth Proportional to 271,638.59, 374,821.29 and 150,780.80

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Solution

The fourth proportional to 271,638.59, 374,821.29 and 150,780.80 is: 208,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,638.59 : 374,821.29 = 150,780.80 : x
  2. Step 2: Convert to fraction form
    271,638.59/374,821.29 = 150,780.80/x
  3. Step 3: Cross multiply
    271,638.59x = 374,821.29 × 150,780.80
  4. Step 4: Simplify right side
    271,638.59x = 56,515,853,963.23
  5. Step 5: Solve for x
    x = 56,515,853,963.23/271,638.59
  6. Step 6: Final answer
    x = 208,055.32

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1.5x scale

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.