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Finding the Fourth Proportional to 283,774.21, 391,608.29 and 162,923.29

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Solution

The fourth proportional to 283,774.21, 391,608.29 and 162,923.29 is: 224,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,774.21 : 391,608.29 = 162,923.29 : x
  2. Step 2: Convert to fraction form
    283,774.21/391,608.29 = 162,923.29/x
  3. Step 3: Cross multiply
    283,774.21x = 391,608.29 × 162,923.29
  4. Step 4: Simplify right side
    283,774.21x = 63,802,110,183.46
  5. Step 5: Solve for x
    x = 63,802,110,183.46/283,774.21
  6. Step 6: Final answer
    x = 224,834.07

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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.