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Finding the Fourth Proportional to 475,043.39, 655,570.49 and 271,090.25

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Solution

The fourth proportional to 475,043.39, 655,570.49 and 271,090.25 is: 374,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,043.39 : 655,570.49 = 271,090.25 : x
  2. Step 2: Convert to fraction form
    475,043.39/655,570.49 = 271,090.25/x
  3. Step 3: Cross multiply
    475,043.39x = 655,570.49 × 271,090.25
  4. Step 4: Simplify right side
    475,043.39x = 177,718,768,026.72
  5. Step 5: Solve for x
    x = 177,718,768,026.72/475,043.39
  6. Step 6: Final answer
    x = 374,110.60

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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.