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Finding the Fourth Proportional to 475,055.70, 655,587.50 and 271,102.56

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Solution

The fourth proportional to 475,055.70, 655,587.50 and 271,102.56 is: 374,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,055.70 : 655,587.50 = 271,102.56 : x
  2. Step 2: Convert to fraction form
    475,055.70/655,587.50 = 271,102.56/x
  3. Step 3: Cross multiply
    475,055.70x = 655,587.50 × 271,102.56
  4. Step 4: Simplify right side
    475,055.70x = 177,731,448,198.49
  5. Step 5: Solve for x
    x = 177,731,448,198.49/475,055.70
  6. Step 6: Final answer
    x = 374,127.60

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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.