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Finding the Fourth Proportional to 415,620.79, 573,173.95 and 262,392.73

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Solution

The fourth proportional to 415,620.79, 573,173.95 and 262,392.73 is: 361,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,620.79 : 573,173.95 = 262,392.73 : x
  2. Step 2: Convert to fraction form
    415,620.79/573,173.95 = 262,392.73/x
  3. Step 3: Cross multiply
    415,620.79x = 573,173.95 × 262,392.73
  4. Step 4: Simplify right side
    415,620.79x = 150,396,677,505.38
  5. Step 5: Solve for x
    x = 150,396,677,505.38/415,620.79
  6. Step 6: Final answer
    x = 361,860.33

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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.