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Finding the Fourth Proportional to 443,616.74, 612,203.37 and 271,531.27

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Solution

The fourth proportional to 443,616.74, 612,203.37 and 271,531.27 is: 374,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,616.74 : 612,203.37 = 271,531.27 : x
  2. Step 2: Convert to fraction form
    443,616.74/612,203.37 = 271,531.27/x
  3. Step 3: Cross multiply
    443,616.74x = 612,203.37 × 271,531.27
  4. Step 4: Simplify right side
    443,616.74x = 166,232,358,301.39
  5. Step 5: Solve for x
    x = 166,232,358,301.39/443,616.74
  6. Step 6: Final answer
    x = 374,720.66

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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.