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Finding the Fourth Proportional to 447,108.92, 617,007.46 and 253,553.32

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Solution

The fourth proportional to 447,108.92, 617,007.46 and 253,553.32 is: 349,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,108.92 : 617,007.46 = 253,553.32 : x
  2. Step 2: Convert to fraction form
    447,108.92/617,007.46 = 253,553.32/x
  3. Step 3: Cross multiply
    447,108.92x = 617,007.46 × 253,553.32
  4. Step 4: Simplify right side
    447,108.92x = 156,444,289,947.77
  5. Step 5: Solve for x
    x = 156,444,289,947.77/447,108.92
  6. Step 6: Final answer
    x = 349,901.97

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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.