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Finding the Fourth Proportional to 475,009.76, 655,500.60 and 271,056.92

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Solution

The fourth proportional to 475,009.76, 655,500.60 and 271,056.92 is: 374,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,009.76 : 655,500.60 = 271,056.92 : x
  2. Step 2: Convert to fraction form
    475,009.76/655,500.60 = 271,056.92/x
  3. Step 3: Cross multiply
    475,009.76x = 655,500.60 × 271,056.92
  4. Step 4: Simplify right side
    475,009.76x = 177,677,973,694.15
  5. Step 5: Solve for x
    x = 177,677,973,694.15/475,009.76
  6. Step 6: Final answer
    x = 374,051.21

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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.