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Finding the Fourth Proportional to 494,008, 681,731.72 and 267,653.52

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Solution

The fourth proportional to 494,008, 681,731.72 and 267,653.52 is: 369,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,008 : 681,731.72 = 267,653.52 : x
  2. Step 2: Convert to fraction form
    494,008/681,731.72 = 267,653.52/x
  3. Step 3: Cross multiply
    494,008x = 681,731.72 × 267,653.52
  4. Step 4: Simplify right side
    494,008x = 182,467,894,553.65
  5. Step 5: Solve for x
    x = 182,467,894,553.65/494,008
  6. Step 6: Final answer
    x = 369,362.23

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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.