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Finding the Fourth Proportional to 255,162.30, 352,063.88 and 214,481.05

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Solution

The fourth proportional to 255,162.30, 352,063.88 and 214,481.05 is: 295,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,162.30 : 352,063.88 = 214,481.05 : x
  2. Step 2: Convert to fraction form
    255,162.30/352,063.88 = 214,481.05/x
  3. Step 3: Cross multiply
    255,162.30x = 352,063.88 × 214,481.05
  4. Step 4: Simplify right side
    255,162.30x = 75,511,030,649.47
  5. Step 5: Solve for x
    x = 75,511,030,649.47/255,162.30
  6. Step 6: Final answer
    x = 295,933.34

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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.