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Finding the Fourth Proportional to 475,836.40, 656,593.32 and 271,900.32

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Solution

The fourth proportional to 475,836.40, 656,593.32 and 271,900.32 is: 375,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,836.40 : 656,593.32 = 271,900.32 : x
  2. Step 2: Convert to fraction form
    475,836.40/656,593.32 = 271,900.32/x
  3. Step 3: Cross multiply
    475,836.40x = 656,593.32 × 271,900.32
  4. Step 4: Simplify right side
    475,836.40x = 178,527,933,817.86
  5. Step 5: Solve for x
    x = 178,527,933,817.86/475,836.40
  6. Step 6: Final answer
    x = 375,187.64

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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.