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Finding the Fourth Proportional to 283,774.71, 391,608.97 and 162,923.79

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Solution

The fourth proportional to 283,774.71, 391,608.97 and 162,923.79 is: 224,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,774.71 : 391,608.97 = 162,923.79 : x
  2. Step 2: Convert to fraction form
    283,774.71/391,608.97 = 162,923.79/x
  3. Step 3: Cross multiply
    283,774.71x = 391,608.97 × 162,923.79
  4. Step 4: Simplify right side
    283,774.71x = 63,802,417,590.40
  5. Step 5: Solve for x
    x = 63,802,417,590.40/283,774.71
  6. Step 6: Final answer
    x = 224,834.76

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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.