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Finding the Fourth Proportional to 447,097.92, 616,992.32 and 253,542.32

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Solution

The fourth proportional to 447,097.92, 616,992.32 and 253,542.32 is: 349,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,097.92 : 616,992.32 = 253,542.32 : x
  2. Step 2: Convert to fraction form
    447,097.92/616,992.32 = 253,542.32/x
  3. Step 3: Cross multiply
    447,097.92x = 616,992.32 × 253,542.32
  4. Step 4: Simplify right side
    447,097.92x = 156,433,664,234.98
  5. Step 5: Solve for x
    x = 156,433,664,234.98/447,097.92
  6. Step 6: Final answer
    x = 349,886.81

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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.