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Finding the Fourth Proportional to 901,591, 1,244,234.46 and 499,183

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Solution

The fourth proportional to 901,591, 1,244,234.46 and 499,183 is: 688,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,591 : 1,244,234.46 = 499,183 : x
  2. Step 2: Convert to fraction form
    901,591/1,244,234.46 = 499,183/x
  3. Step 3: Cross multiply
    901,591x = 1,244,234.46 × 499,183
  4. Step 4: Simplify right side
    901,591x = 621,100,690,446.18
  5. Step 5: Solve for x
    x = 621,100,690,446.18/901,591
  6. Step 6: Final answer
    x = 688,894.07

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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.