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Finding the Fourth Proportional to 283,680.80, 391,488.24 and 162,844.16

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Solution

The fourth proportional to 283,680.80, 391,488.24 and 162,844.16 is: 224,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,680.80 : 391,488.24 = 162,844.16 : x
  2. Step 2: Convert to fraction form
    283,680.80/391,488.24 = 162,844.16/x
  3. Step 3: Cross multiply
    283,680.80x = 391,488.24 × 162,844.16
  4. Step 4: Simplify right side
    283,680.80x = 63,751,573,592.68
  5. Step 5: Solve for x
    x = 63,751,573,592.68/283,680.80
  6. Step 6: Final answer
    x = 224,729.96

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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.