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Finding the Fourth Proportional to 445,754.88, 614,992.08 and 254,632.92

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Solution

The fourth proportional to 445,754.88, 614,992.08 and 254,632.92 is: 351,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,754.88 : 614,992.08 = 254,632.92 : x
  2. Step 2: Convert to fraction form
    445,754.88/614,992.08 = 254,632.92/x
  3. Step 3: Cross multiply
    445,754.88x = 614,992.08 × 254,632.92
  4. Step 4: Simplify right side
    445,754.88x = 156,597,229,107.27
  5. Step 5: Solve for x
    x = 156,597,229,107.27/445,754.88
  6. Step 6: Final answer
    x = 351,307.94

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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.